Remove after repo-copy to sys/compat/linprocfs.

5 files changed, 0 insertions, 2290 deletions

diff --git a/sys/i386/linux/linprocfs/linprocfs.h b/sys/i386/linux/linprocfs/linprocfs.h
deleted file mode 100644
index fb085fe..0000000
--- a/sys/i386/linux/linprocfs/linprocfs.h
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)procfs.h	8.9 (Berkeley) 5/14/95
- *
- * $FreeBSD$
- */
-
-/*
- * The different types of node in a procfs filesystem
- */
-typedef enum {
-	Proot,		/* the filesystem root */
-	Pself,		/* symbolic link for curproc */
-	Pproc,		/* a process-specific sub-directory */
-	Pexe,		/* the executable file */
-	Pmem,		/* the process's memory image */
-	Pcmdline,	/* command line */
-	Pprocstat,	/* the process's status */
-	Pprocstatus,	/* the process's status (again) */
-	Pmeminfo,	/* memory system statistics */
-	Pcpuinfo,	/* CPU model, speed and features */
-	Pstat,	        /* kernel/system statistics */
-	Puptime,	/* system uptime */
-	Pversion,	/* system version */
-} pfstype;
-
-/*
- * control data for the proc file system.
- */
-struct pfsnode {
-	struct pfsnode	*pfs_next;	/* next on list */
-	struct vnode	*pfs_vnode;	/* vnode associated with this pfsnode */
-	pfstype		pfs_type;	/* type of procfs node */
-	pid_t		pfs_pid;	/* associated process */
-	u_short		pfs_mode;	/* mode bits for stat() */
-	u_long		pfs_flags;	/* open flags */
-	u_long		pfs_fileno;	/* unique file id */
-	pid_t		pfs_lockowner;	/* pfs lock owner */
-};
-
-#define PROCFS_NAMELEN 	8	/* max length of a filename component */
-
-/*
- * Kernel stuff follows
- */
-#ifdef _KERNEL
-#define CNEQ(cnp, s, len) \
-	 ((cnp)->cn_namelen == (len) && \
-	  (bcmp((s), (cnp)->cn_nameptr, (len)) == 0))
-
-#define KMEM_GROUP 2
-
-#define PROCFS_FILENO(pid, type) \
-	(((type) < Pproc) ? \
-			((type) + 2) : \
-			((((pid)+1) << 4) + ((int) (type))))
-
-/*
- * Convert between pfsnode vnode
- */
-#define VTOPFS(vp)	((struct pfsnode *)(vp)->v_data)
-#define PFSTOV(pfs)	((pfs)->pfs_vnode)
-
-typedef struct vfs_namemap vfs_namemap_t;
-struct vfs_namemap {
-	const char *nm_name;
-	int nm_val;
-};
-
-int vfs_getuserstr __P((struct uio *, char *, int *));
-vfs_namemap_t *vfs_findname __P((vfs_namemap_t *, char *, int));
-
-/* <machine/reg.h> */
-struct reg;
-struct fpreg;
-struct dbreg;
-
-#define PFIND(pid) ((pid) ? pfind(pid) : &proc0)
-
-void linprocfs_exit __P((struct proc *));
-int linprocfs_freevp __P((struct vnode *));
-int linprocfs_allocvp __P((struct mount *, struct vnode **, long, pfstype));
-int linprocfs_sstep __P((struct proc *));
-void linprocfs_fix_sstep __P((struct proc *));
-#if 0
-int linprocfs_read_regs __P((struct proc *, struct reg *));
-int linprocfs_write_regs __P((struct proc *, struct reg *));
-int linprocfs_read_fpregs __P((struct proc *, struct fpreg *));
-int linprocfs_write_fpregs __P((struct proc *, struct fpreg *));
-int linprocfs_read_dbregs __P((struct proc *, struct dbreg *));
-int linprocfs_write_dbregs __P((struct proc *, struct dbreg *));
-#endif
-int linprocfs_domeminfo __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-int linprocfs_docpuinfo __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-int linprocfs_dostat __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-int linprocfs_douptime __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-int linprocfs_doversion __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-int linprocfs_doprocstat __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-int linprocfs_doprocstatus __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-
-/* functions to check whether or not files should be displayed */
-int linprocfs_validfile __P((struct proc *));
-
-#define PROCFS_LOCKED	0x01
-#define PROCFS_WANT	0x02
-
-extern vop_t **linprocfs_vnodeop_p;
-
-int	linprocfs_root __P((struct mount *, struct vnode **));
-int	linprocfs_rw __P((struct vop_read_args *));
-#endif /* _KERNEL */
diff --git a/sys/i386/linux/linprocfs/linprocfs_misc.c b/sys/i386/linux/linprocfs/linprocfs_misc.c
deleted file mode 100644
index 5380856..0000000
--- a/sys/i386/linux/linprocfs/linprocfs_misc.c
+++ /dev/null
@@ -1,519 +0,0 @@
-/*
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)procfs_status.c	8.4 (Berkeley) 6/15/94
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/blist.h>
-#include <sys/dkstat.h>
-#include <sys/jail.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/resourcevar.h>
-#include <sys/systm.h>
-#include <sys/tty.h>
-#include <sys/vnode.h>
-
-#include <vm/vm.h>
-#include <vm/pmap.h>
-#include <vm/vm_map.h>
-#include <vm/vm_param.h>
-#include <vm/vm_object.h>
-#include <vm/swap_pager.h>
-
-#include <sys/exec.h>
-#include <sys/user.h>
-#include <sys/vmmeter.h>
-
-#include <machine/clock.h>
-#include <machine/cputypes.h>
-#include <machine/md_var.h>
-
-#include <i386/linux/linprocfs/linprocfs.h>
-
-/*
- * Various conversion macros
- */
-#define T2J(x) (((x) * 100) / (stathz ? stathz : hz))	/* ticks to jiffies */
-#define T2S(x) ((x) / (stathz ? stathz : hz))		/* ticks to seconds */
-#define B2K(x) ((x) >> 10)				/* bytes to kbytes */
-#define B2P(x) ((x) >> PAGE_SHIFT)			/* bytes to pages */
-#define P2B(x) ((x) << PAGE_SHIFT)			/* pages to bytes */
-#define P2K(x) ((x) << (PAGE_SHIFT - 10))		/* pages to kbytes */
- 
-int
-linprocfs_domeminfo(curp, p, pfs, uio)
-	struct proc *curp;
-	struct proc *p;
-	struct pfsnode *pfs;
-	struct uio *uio;
-{
-	char *ps;
-	int xlen;
-	char psbuf[512];		/* XXX - conservative */
-	unsigned long memtotal;		/* total memory in bytes */
-	unsigned long memused;		/* used memory in bytes */
-	unsigned long memfree;		/* free memory in bytes */
-	unsigned long memshared;	/* shared memory ??? */
-	unsigned long buffers, cached;	/* buffer / cache memory ??? */
-	unsigned long swaptotal;	/* total swap space in bytes */
-	unsigned long swapused;		/* used swap space in bytes */
-	unsigned long swapfree;		/* free swap space in bytes */
-	vm_object_t object;
-
-	if (uio->uio_rw != UIO_READ)
-		return (EOPNOTSUPP);
-
-	memtotal = physmem * PAGE_SIZE;
-	/*
-	 * The correct thing here would be:
-	 *
-	memfree = cnt.v_free_count * PAGE_SIZE;
-	memused = memtotal - memfree;
-	 *
-	 * but it might mislead linux binaries into thinking there
-	 * is very little memory left, so we cheat and tell them that
-	 * all memory that isn't wired down is free.
-	 */
-	memused = cnt.v_wire_count * PAGE_SIZE;
-	memfree = memtotal - memused;
-	if (swapblist == NULL) {
-		swaptotal = 0;
-		swapfree = 0;
-	} else {
-		swaptotal = swapblist->bl_blocks * 1024; /* XXX why 1024? */
-		swapfree = swapblist->bl_root->u.bmu_avail * PAGE_SIZE;
-	}
-	swapused = swaptotal - swapfree;
-	memshared = 0;
-	for (object = TAILQ_FIRST(&vm_object_list); object != NULL;
-	    object = TAILQ_NEXT(object, object_list))
-		if (object->shadow_count > 1)
-			memshared += object->resident_page_count;
-	memshared *= PAGE_SIZE;
-	/*
-	 * We'd love to be able to write:
-	 *
-	buffers = bufspace;
-	 *
-	 * but bufspace is internal to vfs_bio.c and we don't feel
-	 * like unstaticizing it just for linprocfs's sake.
-	 */
-	buffers = 0;
-	cached = cnt.v_cache_count * PAGE_SIZE;
-
-	ps = psbuf;
-	ps += sprintf(ps,
-	    "        total:    used:    free:  shared: buffers:  cached:\n"
-	    "Mem:  %lu %lu %lu %lu %lu %lu\n"
-	    "Swap: %lu %lu %lu\n"
-	    "MemTotal: %9lu kB\n"
-	    "MemFree:  %9lu kB\n"
-	    "MemShared:%9lu kB\n"
-	    "Buffers:  %9lu kB\n"
-	    "Cached:   %9lu kB\n"
-	    "SwapTotal:%9lu kB\n"
-	    "SwapFree: %9lu kB\n",
-	    memtotal, memused, memfree, memshared, buffers, cached,
-	    swaptotal, swapused, swapfree,
-	    B2K(memtotal), B2K(memfree),
-	    B2K(memshared), B2K(buffers), B2K(cached),
-	    B2K(swaptotal), B2K(swapfree));
-
-	xlen = ps - psbuf;
-	xlen -= uio->uio_offset;
-	ps = psbuf + uio->uio_offset;
-	xlen = imin(xlen, uio->uio_resid);
-	return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
-}
-
-int
-linprocfs_docpuinfo(curp, p, pfs, uio)
-	struct proc *curp;
-	struct proc *p;
-	struct pfsnode *pfs;
-	struct uio *uio;
-{
-	char *ps;
-	int xlen;
-	char psbuf[512];		/* XXX - conservative */
-	int class, i, fqmhz, fqkhz;
-
-	/*
-         * We default the flags to include all non-conflicting flags,
-         * and the Intel versions of conflicting flags.
-	 */
-        static char *flags[] = {
-		"fpu",      "vme",     "de",       "pse",      "tsc",
-		"msr",      "pae",     "mce",      "cx8",      "apic",
-		"sep",      "sep",     "mtrr",     "pge",      "mca",
-		"cmov",     "pat",     "pse36",    "pn",       "b19",
-		"b20",      "b21",     "mmxext",   "mmx",      "fxsr",
-		"xmm",      "b26",     "b27",      "b28",      "b29",
-		"3dnowext", "3dnow"
-	};
-
-	if (uio->uio_rw != UIO_READ)
-		return (EOPNOTSUPP);
-
-	switch (cpu_class) {
-	case CPUCLASS_286:
-		class = 2;
-		break;
-	case CPUCLASS_386:
-		class = 3;
-		break;
-	case CPUCLASS_486:
-		class = 4;
-		break;
-	case CPUCLASS_586:
-		class = 5;
-		break;
-	case CPUCLASS_686:
-		class = 6;
-		break;
-	default:
-                class = 0;
-		break;
-	}
-
-	ps = psbuf;
-	ps += sprintf(ps,
-            "processor\t: %d\n"
-	    "vendor_id\t: %.20s\n"
-	    "cpu family\t: %d\n"
-	    "model\t\t: %d\n"
-	    "stepping\t: %d\n",
-	    0, cpu_vendor, class, cpu, cpu_id & 0xf);
-
-        ps += sprintf(ps,
-            "flags\t\t:");
-
-        if (!strcmp(cpu_vendor, "AuthenticAMD") && (class < 6)) {
-		flags[16] = "fcmov";
-        } else if (!strcmp(cpu_vendor, "CyrixInstead")) {
-		flags[24] = "cxmmx";
-        }
-        
-        for (i = 0; i < 32; i++)
-		if (cpu_feature & (1 << i))
-			ps += sprintf(ps, " %s", flags[i]);
-	ps += sprintf(ps, "\n");
-        if (class >= 5) {
-		fqmhz = (tsc_freq + 4999) / 1000000;
-		fqkhz = ((tsc_freq + 4999) / 10000) % 100;
-		ps += sprintf(ps,
-		    "cpu MHz\t\t: %d.%02d\n"
-		    "bogomips\t: %d.%02d\n",
-		    fqmhz, fqkhz, fqmhz, fqkhz);
-        }
-        
-	xlen = ps - psbuf;
-	xlen -= uio->uio_offset;
-	ps = psbuf + uio->uio_offset;
-	xlen = imin(xlen, uio->uio_resid);
-	return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
-}
-
-int
-linprocfs_dostat(curp, p, pfs, uio)
-	struct proc *curp;
-	struct proc *p;
-	struct pfsnode *pfs;
-	struct uio *uio;
-{
-        char *ps;
-	char psbuf[512];
-	int xlen;
-
-	ps = psbuf;
-	ps += sprintf(ps,
-	    "cpu %ld %ld %ld %ld\n"
-	    "disk 0 0 0 0\n"
-	    "page %u %u\n"
-	    "swap %u %u\n"
-	    "intr %u\n"
-	    "ctxt %u\n"
-	    "btime %ld\n",
-	    T2J(cp_time[CP_USER]),
-	    T2J(cp_time[CP_NICE]),
-	    T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/),
-	    T2J(cp_time[CP_IDLE]),
-	    cnt.v_vnodepgsin,
-	    cnt.v_vnodepgsout,
-	    cnt.v_swappgsin,
-	    cnt.v_swappgsout,
-	    cnt.v_intr,
-	    cnt.v_swtch,
-	    boottime.tv_sec);
-	xlen = ps - psbuf;
-	xlen -= uio->uio_offset;
-	ps = psbuf + uio->uio_offset;
-	xlen = imin(xlen, uio->uio_resid);
-	return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
-}
-
-int
-linprocfs_douptime(curp, p, pfs, uio)
-	struct proc *curp;
-	struct proc *p;
-	struct pfsnode *pfs;
-	struct uio *uio;
-{
-	char *ps;
-	int xlen;
-	char psbuf[64];
-	struct timeval tv;
-
-	getmicrouptime(&tv);
-	ps = psbuf;
-	ps += sprintf(ps, "%ld.%02ld %ld.%02ld\n",
-	    tv.tv_sec, tv.tv_usec / 10000,
-	    T2S(cp_time[CP_IDLE]), T2J(cp_time[CP_IDLE]) % 100);
-	xlen = ps - psbuf;
-	xlen -= uio->uio_offset;
-	ps = psbuf + uio->uio_offset;
-	xlen = imin(xlen, uio->uio_resid);
-	return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
-}
-
-int
-linprocfs_doversion(curp, p, pfs, uio)
-	struct proc *curp;
-	struct proc *p;
-	struct pfsnode *pfs;
-	struct uio *uio;
-{
-        char *ps;
-	int xlen;
-
-	ps = version; /* XXX not entirely correct */
-	for (xlen = 0; ps[xlen] != '\n'; ++xlen)
-		/* nothing */ ;
-	++xlen;
-	xlen -= uio->uio_offset;
-	ps += uio->uio_offset;
-	xlen = imin(xlen, uio->uio_resid);
-	return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
-}
-
-int
-linprocfs_doprocstat(curp, p, pfs, uio)
-    	struct proc *curp;
-	struct proc *p;
-	struct pfsnode *pfs;
-	struct uio *uio;
-{
-	struct eproc ep;
-	char *ps, psbuf[1024];
-	int xlen;
-
-	fill_eproc(p, &ep);
-	ps = psbuf;
-	ps += sprintf(ps, "%d", p->p_pid);
-#define PS_ADD(name, fmt, arg) ps += sprintf(ps, " " fmt, arg)
-	PS_ADD("comm",		"(%s)",	p->p_comm);
-	PS_ADD("statr",		"%c",	'0'); /* XXX */
-	PS_ADD("ppid",		"%d",	p->p_pptr ? p->p_pptr->p_pid : 0);
-	PS_ADD("pgrp",		"%d",	p->p_pgid);
-	PS_ADD("session",	"%d",	p->p_session->s_sid);
-	PS_ADD("tty",		"%d",	0); /* XXX */
-	PS_ADD("tpgid",		"%d",	0); /* XXX */
-	PS_ADD("flags",		"%u",	0); /* XXX */
-	PS_ADD("minflt",	"%u",	0); /* XXX */
-	PS_ADD("cminflt",	"%u",	0); /* XXX */
-	PS_ADD("majflt",	"%u",	0); /* XXX */
-	PS_ADD("cminflt",	"%u",	0); /* XXX */
-	PS_ADD("utime",		"%d",	0); /* XXX */
-	PS_ADD("stime",		"%d",	0); /* XXX */
-	PS_ADD("cutime",	"%d",	0); /* XXX */
-	PS_ADD("cstime",	"%d",	0); /* XXX */
-	PS_ADD("counter",	"%d",	0); /* XXX */
-	PS_ADD("priority",	"%d",	0); /* XXX */
-	PS_ADD("timeout",	"%u",	0); /* XXX */
-	PS_ADD("itrealvalue",	"%u",	0); /* XXX */
-	PS_ADD("starttime",	"%d",	0); /* XXX */
-	PS_ADD("vsize",		"%u",	ep.e_vm.vm_map.size);
-	PS_ADD("rss",		"%u",	P2K(ep.e_vm.vm_rssize));
-	PS_ADD("rlim",		"%u",	0); /* XXX */
-	PS_ADD("startcode",	"%u",	(unsigned)ep.e_vm.vm_taddr);
-	PS_ADD("endcode",	"%u",	0); /* XXX */
-	PS_ADD("startstack",	"%u",	0); /* XXX */
-	PS_ADD("esp",		"%u",	0); /* XXX */
-	PS_ADD("eip",		"%u",	0); /* XXX */
-	PS_ADD("signal",	"%d",	0); /* XXX */
-	PS_ADD("blocked",	"%d",	0); /* XXX */
-	PS_ADD("sigignore",	"%d",	0); /* XXX */
-	PS_ADD("sigcatch",	"%d",	0); /* XXX */
-	PS_ADD("wchan",		"%u",	0); /* XXX */
-	PS_ADD("nswap",		"%lu",	(long unsigned)0); /* XXX */
-	PS_ADD("cnswap",	"%lu",	(long unsigned)0); /* XXX */
-	PS_ADD("exitsignal",	"%d",	0); /* XXX */
-	PS_ADD("processor",	"%d",	0); /* XXX */
-#undef PS_ADD
-	ps += sprintf(ps, "\n");
-	
-	xlen = ps - psbuf;
-	xlen -= uio->uio_offset;
-	ps = psbuf + uio->uio_offset;
-	xlen = imin(xlen, uio->uio_resid);
-	return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
-}
-
-/*
- * Map process state to descriptive letter. Note that this does not
- * quite correspond to what Linux outputs, but it's close enough.
- */
-static char *state_str[] = {
-	"? (unknown)",
-	"I (idle)",
-	"R (running)",
-	"S (sleeping)",
-	"T (stopped)",
-	"Z (zombie)",
-	"W (waiting)",
-	"M (mutex)"
-};
-
-int
-linprocfs_doprocstatus(curp, p, pfs, uio)
-    	struct proc *curp;
-	struct proc *p;
-	struct pfsnode *pfs;
-	struct uio *uio;
-{
-	struct eproc ep;
-	char *ps, psbuf[1024];
-	char *state;
-	int i, xlen;
-	segsz_t lsize;
-
-	ps = psbuf;
-
-	mtx_enter(&sched_lock, MTX_SPIN);
-	if (p->p_stat > sizeof state_str / sizeof *state_str)
-		state = state_str[0];
-	else
-		state = state_str[(int)p->p_stat];
-	mtx_exit(&sched_lock, MTX_SPIN);
-
-	fill_eproc(p, &ep);
-#define PS_ADD ps += sprintf
-	PS_ADD(ps, "Name:\t%s\n",	  p->p_comm); /* XXX escape */
-	PS_ADD(ps, "State:\t%s\n",	  state);
-
-	/*
-	 * Credentials
-	 */
-	PS_ADD(ps, "Pid:\t%d\n",	  p->p_pid);
-	PS_ADD(ps, "PPid:\t%d\n",	  p->p_pptr ? p->p_pptr->p_pid : 0);
-	PS_ADD(ps, "Uid:\t%d %d %d %d\n", p->p_cred->p_ruid,
-		                          p->p_ucred->cr_uid,
-		                          p->p_cred->p_svuid,
-		                          /* FreeBSD doesn't have fsuid */
-		                          p->p_ucred->cr_uid);
-	PS_ADD(ps, "Gid:\t%d %d %d %d\n", p->p_cred->p_rgid,
-		                          p->p_ucred->cr_gid,
-		                          p->p_cred->p_svgid,
-		                          /* FreeBSD doesn't have fsgid */
-		                          p->p_ucred->cr_gid);
-	PS_ADD(ps, "Groups:\t");
-	for (i = 0; i < p->p_ucred->cr_ngroups; i++)
-		PS_ADD(ps, "%d ", p->p_ucred->cr_groups[i]);
-	PS_ADD(ps, "\n");
-	
-	/*
-	 * Memory
-	 *
-	 * While our approximation of VmLib may not be accurate (I
-	 * don't know of a simple way to verify it, and I'm not sure
-	 * it has much meaning anyway), I believe it's good enough.
-	 *
-	 * The same code that could (I think) accurately compute VmLib
-	 * could also compute VmLck, but I don't really care enough to
-	 * implement it. Submissions are welcome.
-	 */
-	PS_ADD(ps, "VmSize:\t%8u kB\n",	  B2K(ep.e_vm.vm_map.size));
-	PS_ADD(ps, "VmLck:\t%8u kB\n",    P2K(0)); /* XXX */
-	PS_ADD(ps, "VmRss:\t%8u kB\n",    P2K(ep.e_vm.vm_rssize));
-	PS_ADD(ps, "VmData:\t%8u kB\n",   P2K(ep.e_vm.vm_dsize));
-	PS_ADD(ps, "VmStk:\t%8u kB\n",    P2K(ep.e_vm.vm_ssize));
-	PS_ADD(ps, "VmExe:\t%8u kB\n",    P2K(ep.e_vm.vm_tsize));
-	lsize = B2P(ep.e_vm.vm_map.size) - ep.e_vm.vm_dsize -
-	    ep.e_vm.vm_ssize - ep.e_vm.vm_tsize - 1;
-	PS_ADD(ps, "VmLib:\t%8u kB\n",    P2K(lsize));
-
-	/*
-	 * Signal masks
-	 *
-	 * We support up to 128 signals, while Linux supports 32,
-	 * but we only define 32 (the same 32 as Linux, to boot), so
-	 * just show the lower 32 bits of each mask. XXX hack.
-	 *
-	 * NB: on certain platforms (Sparc at least) Linux actually
-	 * supports 64 signals, but this code is a long way from
-	 * running on anything but i386, so ignore that for now.
-	 */
-	PS_ADD(ps, "SigPnd:\t%08x\n",	  p->p_siglist.__bits[0]);
-	/*
-	 * I can't seem to find out where the signal mask is in
-	 * relation to struct proc, so SigBlk is left unimplemented.
-	 */
-	PS_ADD(ps, "SigBlk:\t%08x\n",	  0); /* XXX */
-	PS_ADD(ps, "SigIgn:\t%08x\n",	  p->p_sigignore.__bits[0]);
-	PS_ADD(ps, "SigCgt:\t%08x\n",	  p->p_sigcatch.__bits[0]);
-	
-	/*
-	 * Linux also prints the capability masks, but we don't have
-	 * capabilities yet, and when we do get them they're likely to
-	 * be meaningless to Linux programs, so we lie. XXX
-	 */
-	PS_ADD(ps, "CapInh:\t%016x\n",	  0);
-	PS_ADD(ps, "CapPrm:\t%016x\n",	  0);
-	PS_ADD(ps, "CapEff:\t%016x\n",	  0);
-#undef PS_ADD
-	
-	xlen = ps - psbuf;
-	xlen -= uio->uio_offset;
-	ps = psbuf + uio->uio_offset;
-	xlen = imin(xlen, uio->uio_resid);
-	return (xlen <= 0 ? 0 : uiomove(ps, xlen, uio));
-}
diff --git a/sys/i386/linux/linprocfs/linprocfs_subr.c b/sys/i386/linux/linprocfs/linprocfs_subr.c
deleted file mode 100644
index 6c215cd..0000000
--- a/sys/i386/linux/linprocfs/linprocfs_subr.c
+++ /dev/null
@@ -1,388 +0,0 @@
-/*
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)procfs_subr.c	8.6 (Berkeley) 5/14/95
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/proc.h>
-#include <sys/vnode.h>
-#include <sys/malloc.h>
-#include <i386/linux/linprocfs/linprocfs.h>
-
-static struct pfsnode *pfshead;
-static int pfsvplock;
-
-extern int procfs_domem __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-extern int procfs_docmdline __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
-
-/*
- * allocate a pfsnode/vnode pair.  the vnode is
- * referenced, but not locked.
- *
- * the pid, pfs_type, and mount point uniquely
- * identify a pfsnode.  the mount point is needed
- * because someone might mount this filesystem
- * twice.
- *
- * all pfsnodes are maintained on a singly-linked
- * list.  new nodes are only allocated when they cannot
- * be found on this list.  entries on the list are
- * removed when the vfs reclaim entry is called.
- *
- * a single lock is kept for the entire list.  this is
- * needed because the getnewvnode() function can block
- * waiting for a vnode to become free, in which case there
- * may be more than one process trying to get the same
- * vnode.  this lock is only taken if we are going to
- * call getnewvnode, since the kernel itself is single-threaded.
- *
- * if an entry is found on the list, then call vget() to
- * take a reference.  this is done because there may be
- * zero references to it and so it needs to removed from
- * the vnode free list.
- */
-int
-linprocfs_allocvp(mp, vpp, pid, pfs_type)
-	struct mount *mp;
-	struct vnode **vpp;
-	long pid;
-	pfstype pfs_type;
-{
-	struct proc *p = curproc;	/* XXX */
-	struct pfsnode *pfs;
-	struct vnode *vp;
-	struct pfsnode **pp;
-	int error;
-
-loop:
-	for (pfs = pfshead; pfs != 0; pfs = pfs->pfs_next) {
-		vp = PFSTOV(pfs);
-		if (pfs->pfs_pid == pid &&
-		    pfs->pfs_type == pfs_type &&
-		    vp->v_mount == mp) {
-			if (vget(vp, 0, p))
-				goto loop;
-			*vpp = vp;
-			return (0);
-		}
-	}
-
-	/*
-	 * otherwise lock the vp list while we call getnewvnode
-	 * since that can block.
-	 */
-	if (pfsvplock & PROCFS_LOCKED) {
-		pfsvplock |= PROCFS_WANT;
-		(void) tsleep((caddr_t) &pfsvplock, PINOD, "pfsavp", 0);
-		goto loop;
-	}
-	pfsvplock |= PROCFS_LOCKED;
-
-	/*
-	 * Do the MALLOC before the getnewvnode since doing so afterward
-	 * might cause a bogus v_data pointer to get dereferenced
-	 * elsewhere if MALLOC should block.
-	 */
-	MALLOC(pfs, struct pfsnode *, sizeof(struct pfsnode), M_TEMP, M_WAITOK);
-
-	if ((error = getnewvnode(VT_PROCFS, mp, linprocfs_vnodeop_p, vpp)) != 0) {
-		FREE(pfs, M_TEMP);
-		goto out;
-	}
-	vp = *vpp;
-
-	vp->v_data = pfs;
-
-	pfs->pfs_next = 0;
-	pfs->pfs_pid = (pid_t) pid;
-	pfs->pfs_type = pfs_type;
-	pfs->pfs_vnode = vp;
-	pfs->pfs_flags = 0;
-	pfs->pfs_lockowner = 0;
-	pfs->pfs_fileno = PROCFS_FILENO(pid, pfs_type);
-
-	switch (pfs_type) {
-	case Proot:	/* /proc = dr-xr-xr-x */
-		pfs->pfs_mode = (VREAD|VEXEC) |
-				(VREAD|VEXEC) >> 3 |
-				(VREAD|VEXEC) >> 6;
-		vp->v_type = VDIR;
-		vp->v_flag = VROOT;
-		break;
-
-	case Pself:	/* /proc/self = lr--r--r-- */
-		pfs->pfs_mode = (VREAD) |
-				(VREAD >> 3) |
-				(VREAD >> 6);
-		vp->v_type = VLNK;
-		break;
-
-	case Pproc:
-		pfs->pfs_mode = (VREAD|VEXEC) |
-				(VREAD|VEXEC) >> 3 |
-				(VREAD|VEXEC) >> 6;
-		vp->v_type = VDIR;
-		break;
-
-	case Pexe:
-		pfs->pfs_mode = (VREAD|VEXEC) |
-				(VREAD|VEXEC) >> 3 |
-				(VREAD|VEXEC) >> 6;
-		vp->v_type = VLNK;
-		break;
-
-	case Pmem:
-		pfs->pfs_mode = (VREAD|VWRITE) |
-				(VREAD) >> 3;;
-		vp->v_type = VREG;
-		break;
-
-	case Pprocstat:
-	case Pprocstatus:
-	case Pcmdline:
-		/* fallthrough */
-		
-	case Pmeminfo:
-	case Pcpuinfo:
-	case Pstat:
-	case Puptime:
-	case Pversion:
-		pfs->pfs_mode = (VREAD) |
-				(VREAD >> 3) |
-				(VREAD >> 6);
-		vp->v_type = VREG;
-		break;
-
-	default:
-		panic("linprocfs_allocvp");
-	}
-
-	/* add to procfs vnode list */
-	for (pp = &pfshead; *pp; pp = &(*pp)->pfs_next)
-		continue;
-	*pp = pfs;
-
-out:
-	pfsvplock &= ~PROCFS_LOCKED;
-
-	if (pfsvplock & PROCFS_WANT) {
-		pfsvplock &= ~PROCFS_WANT;
-		wakeup((caddr_t) &pfsvplock);
-	}
-
-	return (error);
-}
-
-int
-linprocfs_freevp(vp)
-	struct vnode *vp;
-{
-	struct pfsnode **pfspp;
-	struct pfsnode *pfs = VTOPFS(vp);
-
-	for (pfspp = &pfshead; *pfspp != 0; pfspp = &(*pfspp)->pfs_next) {
-		if (*pfspp == pfs) {
-			*pfspp = pfs->pfs_next;
-			break;
-		}
-	}
-
-	FREE(vp->v_data, M_TEMP);
-	vp->v_data = 0;
-	return (0);
-}
-
-int
-linprocfs_rw(ap)
-	struct vop_read_args *ap;
-{
-	struct vnode *vp = ap->a_vp;
-	struct uio *uio = ap->a_uio;
-	struct proc *curp = uio->uio_procp;
-	struct pfsnode *pfs = VTOPFS(vp);
-	struct proc *p;
-	int rtval;
-
-	p = PFIND(pfs->pfs_pid);
-	if (p == 0)
-		return (EINVAL);
-	if (p->p_pid == 1 && securelevel > 0 && uio->uio_rw == UIO_WRITE)
-		return (EACCES);
-
-	while (pfs->pfs_lockowner) {
-		tsleep(&pfs->pfs_lockowner, PRIBIO, "pfslck", 0);
-	}
-	pfs->pfs_lockowner = curproc->p_pid;
-
-	switch (pfs->pfs_type) {
-	case Pcmdline:
-		rtval = procfs_docmdline(curp, p, pfs, uio);
-		break;
-	case Pmem:
-		rtval = procfs_domem(curp, p, pfs, uio);
-		break;
-	case Pprocstat:
-		rtval = linprocfs_doprocstat(curp, p, pfs, uio);
-		break;
-	case Pprocstatus:
-		rtval = linprocfs_doprocstatus(curp, p, pfs, uio);
-		break;
-	case Pmeminfo:
-		rtval = linprocfs_domeminfo(curp, p, pfs, uio);
-		break;
-	case Pcpuinfo:
-		rtval = linprocfs_docpuinfo(curp, p, pfs, uio);
-		break;
-	case Pstat:
-		rtval = linprocfs_dostat(curp, p, pfs, uio);
-		break;
-	case Puptime:
-		rtval = linprocfs_douptime(curp, p, pfs, uio);
-		break;
-	case Pversion:
-		rtval = linprocfs_doversion(curp, p, pfs, uio);
-		break;
-	default:
-		rtval = EOPNOTSUPP;
-		break;
-	}
-	pfs->pfs_lockowner = 0;
-	wakeup(&pfs->pfs_lockowner);
-	return rtval;
-}
-
-#if 0
-/*
- * Get a string from userland into (buf).  Strip a trailing
- * nl character (to allow easy access from the shell).
- * The buffer should be *buflenp + 1 chars long.  vfs_getuserstr
- * will automatically add a nul char at the end.
- *
- * Returns 0 on success or the following errors
- *
- * EINVAL:    file offset is non-zero.
- * EMSGSIZE:  message is longer than kernel buffer
- * EFAULT:    user i/o buffer is not addressable
- */
-int
-vfs_getuserstr(uio, buf, buflenp)
-	struct uio *uio;
-	char *buf;
-	int *buflenp;
-{
-	int xlen;
-	int error;
-
-	if (uio->uio_offset != 0)
-		return (EINVAL);
-
-	xlen = *buflenp;
-
-	/* must be able to read the whole string in one go */
-	if (xlen < uio->uio_resid)
-		return (EMSGSIZE);
-	xlen = uio->uio_resid;
-
-	if ((error = uiomove(buf, xlen, uio)) != 0)
-		return (error);
-
-	/* allow multiple writes without seeks */
-	uio->uio_offset = 0;
-
-	/* cleanup string and remove trailing newline */
-	buf[xlen] = '\0';
-	xlen = strlen(buf);
-	if (xlen > 0 && buf[xlen-1] == '\n')
-		buf[--xlen] = '\0';
-	*buflenp = xlen;
-
-	return (0);
-}
-
-vfs_namemap_t *
-vfs_findname(nm, buf, buflen)
-	vfs_namemap_t *nm;
-	char *buf;
-	int buflen;
-{
-
-	for (; nm->nm_name; nm++)
-		if (bcmp(buf, nm->nm_name, buflen+1) == 0)
-			return (nm);
-
-	return (0);
-}
-#endif
-
-void
-linprocfs_exit(struct proc *p)
-{
-	struct pfsnode *pfs;
-	pid_t pid = p->p_pid;
-
-	/*
-	 * The reason for this loop is not obvious -- basicly,
-	 * linprocfs_freevp(), which is called via vgone() (eventually),
-	 * removes the specified procfs node from the pfshead list.
-	 * It does this by *pfsp = pfs->pfs_next, meaning that it
-	 * overwrites the node.  So when we do pfs = pfs->next, we
-	 * end up skipping the node that replaces the one that was
-	 * vgone'd.  Since it may have been the last one on the list,
-	 * it may also have been set to null -- but *our* pfs pointer,
-	 * here, doesn't see this.  So the loop starts from the beginning
-	 * again.
-	 *
-	 * This is not a for() loop because the final event
-	 * would be "pfs = pfs->pfs_next"; in the case where
-	 * pfs is set to pfshead again, that would mean that
-	 * pfshead is skipped over.
-	 *
-	 */
-	pfs = pfshead;
-	while (pfs) {
-		if (pfs->pfs_pid == pid) {
-			vgone(PFSTOV(pfs));
-			pfs = pfshead;
-		} else
-			pfs = pfs->pfs_next;
-	}
-}
diff --git a/sys/i386/linux/linprocfs/linprocfs_vfsops.c b/sys/i386/linux/linprocfs/linprocfs_vfsops.c
deleted file mode 100644
index 6f2310a..0000000
--- a/sys/i386/linux/linprocfs/linprocfs_vfsops.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)procfs_vfsops.c	8.7 (Berkeley) 5/10/95
- *
- * $FreeBSD$
- */
-
-/*
- * procfs VFS interface
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/syslog.h>
-#include <sys/mount.h>
-#include <sys/vnode.h>
-#include <i386/linux/linprocfs/linprocfs.h>
-
-static int	linprocfs_mount __P((struct mount *mp, char *path, caddr_t data,
-				  struct nameidata *ndp, struct proc *p));
-static int	linprocfs_statfs __P((struct mount *mp, struct statfs *sbp,
-				   struct proc *p));
-static int	linprocfs_unmount __P((struct mount *mp, int mntflags,
-				    struct proc *p));
-
-/*
- * VFS Operations.
- *
- * mount system call
- */
-/* ARGSUSED */
-static int
-linprocfs_mount(mp, path, data, ndp, p)
-	struct mount *mp;
-	char *path;
-	caddr_t data;
-	struct nameidata *ndp;
-	struct proc *p;
-{
-	size_t size;
-	int error;
-
-	if (mp->mnt_flag & MNT_UPDATE)
-		return (EOPNOTSUPP);
-
-	if (mp->mnt_vfc->vfc_refcount == 1 && (error = at_exit(linprocfs_exit))) {
-		printf("linprocfs:  cannot register linprocfs_exit with at_exit\n");
-		return(error);
-	}
-
-	mp->mnt_flag |= MNT_LOCAL;
-	mp->mnt_data = 0;
-	vfs_getnewfsid(mp);
-
-	(void) copyinstr(path, (caddr_t)mp->mnt_stat.f_mntonname, MNAMELEN, &size);
-	bzero(mp->mnt_stat.f_mntonname + size, MNAMELEN - size);
-
-	size = sizeof("linprocfs") - 1;
-	bcopy("linprocfs", mp->mnt_stat.f_mntfromname, size);
-	bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
-	(void)linprocfs_statfs(mp, &mp->mnt_stat, p);
-
-	return (0);
-}
-
-/*
- * unmount system call
- */
-static int
-linprocfs_unmount(mp, mntflags, p)
-	struct mount *mp;
-	int mntflags;
-	struct proc *p;
-{
-	int error;
-	int flags = 0;
-
-	if (mntflags & MNT_FORCE)
-		flags |= FORCECLOSE;
-
-	error = vflush(mp, 0, flags);
-	if (error)
-		return (error);
-
-	if (mp->mnt_vfc->vfc_refcount == 1)
-		rm_at_exit(linprocfs_exit);
-
-	return (0);
-}
-
-int
-linprocfs_root(mp, vpp)
-	struct mount *mp;
-	struct vnode **vpp;
-{
-
-	return (linprocfs_allocvp(mp, vpp, 0, Proot));
-}
-
-/*
- * Get file system statistics.
- */
-static int
-linprocfs_statfs(mp, sbp, p)
-	struct mount *mp;
-	struct statfs *sbp;
-	struct proc *p;
-{
-	sbp->f_bsize = PAGE_SIZE;
-	sbp->f_iosize = PAGE_SIZE;
-	sbp->f_blocks = 1;	/* avoid divide by zero in some df's */
-	sbp->f_bfree = 0;
-	sbp->f_bavail = 0;
-	sbp->f_files = maxproc;			/* approx */
-	sbp->f_ffree = maxproc - nprocs;	/* approx */
-
-	if (sbp != &mp->mnt_stat) {
-		sbp->f_type = mp->mnt_vfc->vfc_typenum;
-		bcopy(&mp->mnt_stat.f_fsid, &sbp->f_fsid, sizeof(sbp->f_fsid));
-		bcopy(mp->mnt_stat.f_mntonname, sbp->f_mntonname, MNAMELEN);
-		bcopy(mp->mnt_stat.f_mntfromname, sbp->f_mntfromname, MNAMELEN);
-	}
-
-	return (0);
-}
-
-static struct vfsops linprocfs_vfsops = {
-	linprocfs_mount,
-	vfs_stdstart,
-	linprocfs_unmount,
-	linprocfs_root,
-	vfs_stdquotactl,
-	linprocfs_statfs,
-	vfs_stdsync,
-	vfs_stdvget,
-	vfs_stdfhtovp,
-	vfs_stdcheckexp,
-	vfs_stdvptofh,
-	vfs_stdinit,
-};
-
-VFS_SET(linprocfs_vfsops, linprocfs, VFCF_SYNTHETIC);
-MODULE_DEPEND(linprocfs, procfs, 1, 1, 1);
diff --git a/sys/i386/linux/linprocfs/linprocfs_vnops.c b/sys/i386/linux/linprocfs/linprocfs_vnops.c
deleted file mode 100644
index 36998bd..0000000
--- a/sys/i386/linux/linprocfs/linprocfs_vnops.c
+++ /dev/null
@@ -1,1055 +0,0 @@
-/*
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993, 1995 Jan-Simon Pendry
- * Copyright (c) 1993, 1995
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)procfs_vnops.c	8.18 (Berkeley) 5/21/95
- *
- * $FreeBSD$
- */
-
-/*
- * procfs vnode interface
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/time.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/fcntl.h>
-#include <sys/proc.h>
-#include <sys/signalvar.h>
-#include <sys/vnode.h>
-#include <sys/mount.h>
-#include <sys/namei.h>
-#include <sys/dirent.h>
-#include <sys/malloc.h>
-#include <machine/reg.h>
-#include <vm/vm_zone.h>
-#include <i386/linux/linprocfs/linprocfs.h>
-#include <sys/pioctl.h>
-
-extern struct vnode *procfs_findtextvp __P((struct proc *));
-extern int	procfs_kmemaccess __P((struct proc *));
-
-static int	linprocfs_access __P((struct vop_access_args *));
-static int	linprocfs_badop __P((void));
-static int	linprocfs_bmap __P((struct vop_bmap_args *));
-static int	linprocfs_close __P((struct vop_close_args *));
-static int	linprocfs_getattr __P((struct vop_getattr_args *));
-static int	linprocfs_inactive __P((struct vop_inactive_args *));
-static int	linprocfs_ioctl __P((struct vop_ioctl_args *));
-static int	linprocfs_lookup __P((struct vop_lookup_args *));
-static int	linprocfs_open __P((struct vop_open_args *));
-static int	linprocfs_print __P((struct vop_print_args *));
-static int	linprocfs_readdir __P((struct vop_readdir_args *));
-static int	linprocfs_readlink __P((struct vop_readlink_args *));
-static int	linprocfs_reclaim __P((struct vop_reclaim_args *));
-static int	linprocfs_setattr __P((struct vop_setattr_args *));
-
-/*
- * This is a list of the valid names in the
- * process-specific sub-directories.  It is
- * used in linprocfs_lookup and linprocfs_readdir
- */
-static struct proc_target {
-	u_char	pt_type;
-	u_char	pt_namlen;
-	char	*pt_name;
-	pfstype	pt_pfstype;
-	int	(*pt_valid) __P((struct proc *p));
-} proc_targets[] = {
-#define N(s) sizeof(s)-1, s
-	/*	  name		type		validp */
-	{ DT_DIR, N("."),	Pproc,		NULL },
-	{ DT_DIR, N(".."),	Proot,		NULL },
-	{ DT_REG, N("cmdline"), Pcmdline,	NULL },
-	{ DT_LNK, N("exe"),	Pexe,		NULL },
-	{ DT_REG, N("mem"),	Pmem,		NULL },
-	{ DT_REG, N("stat"),	Pprocstat,	NULL },
-	{ DT_REG, N("status"),	Pprocstatus,	NULL },
-#undef N
-};
-static const int nproc_targets = sizeof(proc_targets) / sizeof(proc_targets[0]);
-
-static pid_t atopid __P((const char *, u_int));
-
-/*
- * set things up for doing i/o on
- * the pfsnode (vp).  (vp) is locked
- * on entry, and should be left locked
- * on exit.
- *
- * for procfs we don't need to do anything
- * in particular for i/o.  all that is done
- * is to support exclusive open on process
- * memory images.
- */
-static int
-linprocfs_open(ap)
-	struct vop_open_args /* {
-		struct vnode *a_vp;
-		int  a_mode;
-		struct ucred *a_cred;
-		struct proc *a_p;
-	} */ *ap;
-{
-	struct pfsnode *pfs = VTOPFS(ap->a_vp);
-	struct proc *p1, *p2;
-
-	p2 = PFIND(pfs->pfs_pid);
-	if (p2 == NULL)
-		return (ENOENT);
-	if (pfs->pfs_pid && p_can(ap->a_p, p2, P_CAN_SEE, NULL))
-		return (ENOENT);
-
-	switch (pfs->pfs_type) {
-	case Pmem:
-		if (((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL)) ||
-		    ((pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE)))
-			return (EBUSY);
-
-		p1 = ap->a_p;
-		if (p_can(p1, p2, P_CAN_DEBUG, NULL) &&
-		    !procfs_kmemaccess(p1))
-			return (EPERM);
-
-		if (ap->a_mode & FWRITE)
-			pfs->pfs_flags = ap->a_mode & (FWRITE|O_EXCL);
-
-		return (0);
-
-	default:
-		break;
-	}
-
-	return (0);
-}
-
-/*
- * close the pfsnode (vp) after doing i/o.
- * (vp) is not locked on entry or exit.
- *
- * nothing to do for procfs other than undo
- * any exclusive open flag (see _open above).
- */
-static int
-linprocfs_close(ap)
-	struct vop_close_args /* {
-		struct vnode *a_vp;
-		int  a_fflag;
-		struct ucred *a_cred;
-		struct proc *a_p;
-	} */ *ap;
-{
-	struct pfsnode *pfs = VTOPFS(ap->a_vp);
-	struct proc *p;
-
-	switch (pfs->pfs_type) {
-	case Pmem:
-		if ((ap->a_fflag & FWRITE) && (pfs->pfs_flags & O_EXCL))
-			pfs->pfs_flags &= ~(FWRITE|O_EXCL);
-		/*
-		 * If this is the last close, then it checks to see if
-		 * the target process has PF_LINGER set in p_pfsflags,
-		 * if this is *not* the case, then the process' stop flags
-		 * are cleared, and the process is woken up.  This is
-		 * to help prevent the case where a process has been
-		 * told to stop on an event, but then the requesting process
-		 * has gone away or forgotten about it.
-		 */
-		if ((ap->a_vp->v_usecount < 2)
-		    && (p = pfind(pfs->pfs_pid))
-		    && !(p->p_pfsflags & PF_LINGER)) {
-			p->p_stops = 0;
-			p->p_step = 0;
-			wakeup(&p->p_step);
-		}
-		break;
-	default:
-		break;
-	}
-
-	return (0);
-}
-
-/*
- * do an ioctl operation on a pfsnode (vp).
- * (vp) is not locked on entry or exit.
- */
-static int
-linprocfs_ioctl(ap)
-	struct vop_ioctl_args *ap;
-{
-	struct pfsnode *pfs = VTOPFS(ap->a_vp);
-	struct proc *procp, *p;
-	int error;
-	int signo;
-	struct procfs_status *psp;
-	unsigned char flags;
-
-	p = ap->a_p;
-	procp = pfind(pfs->pfs_pid);
-	if (procp == NULL)
-		return ENOTTY;
-
-	if ((error = p_can(p, procp, P_CAN_DEBUG, NULL)))
-		return (error == ESRCH ? ENOENT : error);
-
-	switch (ap->a_command) {
-	case PIOCBIS:
-	  procp->p_stops |= *(unsigned int*)ap->a_data;
-	  break;
-	case PIOCBIC:
-	  procp->p_stops &= ~*(unsigned int*)ap->a_data;
-	  break;
-	case PIOCSFL:
-	  /*
-	   * NFLAGS is "non-suser_xxx flags" -- currently, only
-	   * PFS_ISUGID ("ignore set u/g id");
-	   */
-#define NFLAGS	(PF_ISUGID)
-	  flags = (unsigned char)*(unsigned int*)ap->a_data;
-	  if (flags & NFLAGS && (error = suser(p)))
-	    return error;
-	  procp->p_pfsflags = flags;
-	  break;
-	case PIOCGFL:
-	  *(unsigned int*)ap->a_data = (unsigned int)procp->p_pfsflags;
-	case PIOCSTATUS:
-	  psp = (struct procfs_status *)ap->a_data;
-	  psp->state = (procp->p_step == 0);
-	  psp->flags = procp->p_pfsflags;
-	  psp->events = procp->p_stops;
-	  if (procp->p_step) {
-	    psp->why = procp->p_stype;
-	    psp->val = procp->p_xstat;
-	  } else {
-	    psp->why = psp->val = 0;	/* Not defined values */
-	  }
-	  break;
-	case PIOCWAIT:
-	  psp = (struct procfs_status *)ap->a_data;
-	  if (procp->p_step == 0) {
-	    error = tsleep(&procp->p_stype, PWAIT | PCATCH, "piocwait", 0);
-	    if (error)
-	      return error;
-	  }
-	  psp->state = 1;	/* It stopped */
-	  psp->flags = procp->p_pfsflags;
-	  psp->events = procp->p_stops;
-	  psp->why = procp->p_stype;	/* why it stopped */
-	  psp->val = procp->p_xstat;	/* any extra info */
-	  break;
-	case PIOCCONT:	/* Restart a proc */
-	  if (procp->p_step == 0)
-	    return EINVAL;	/* Can only start a stopped process */
-	  if ((signo = *(int*)ap->a_data) != 0) {
-	    if (signo >= NSIG || signo <= 0)
-	      return EINVAL;
-	    psignal(procp, signo);
-	  }
-	  procp->p_step = 0;
-	  wakeup(&procp->p_step);
-	  break;
-	default:
-	  return (ENOTTY);
-	}
-	return 0;
-}
-
-/*
- * do block mapping for pfsnode (vp).
- * since we don't use the buffer cache
- * for procfs this function should never
- * be called.  in any case, it's not clear
- * what part of the kernel ever makes use
- * of this function.  for sanity, this is the
- * usual no-op bmap, although returning
- * (EIO) would be a reasonable alternative.
- */
-static int
-linprocfs_bmap(ap)
-	struct vop_bmap_args /* {
-		struct vnode *a_vp;
-		daddr_t  a_bn;
-		struct vnode **a_vpp;
-		daddr_t *a_bnp;
-		int *a_runp;
-	} */ *ap;
-{
-
-	if (ap->a_vpp != NULL)
-		*ap->a_vpp = ap->a_vp;
-	if (ap->a_bnp != NULL)
-		*ap->a_bnp = ap->a_bn;
-	if (ap->a_runp != NULL)
-		*ap->a_runp = 0;
-	return (0);
-}
-
-/*
- * linprocfs_inactive is called when the pfsnode
- * is vrele'd and the reference count goes
- * to zero.  (vp) will be on the vnode free
- * list, so to get it back vget() must be
- * used.
- *
- * (vp) is locked on entry, but must be unlocked on exit.
- */
-static int
-linprocfs_inactive(ap)
-	struct vop_inactive_args /* {
-		struct vnode *a_vp;
-	} */ *ap;
-{
-	struct vnode *vp = ap->a_vp;
-
-	VOP_UNLOCK(vp, 0, ap->a_p);
-
-	return (0);
-}
-
-/*
- * _reclaim is called when getnewvnode()
- * wants to make use of an entry on the vnode
- * free list.  at this time the filesystem needs
- * to free any private data and remove the node
- * from any private lists.
- */
-static int
-linprocfs_reclaim(ap)
-	struct vop_reclaim_args /* {
-		struct vnode *a_vp;
-	} */ *ap;
-{
-
-	return (linprocfs_freevp(ap->a_vp));
-}
-
-/*
- * _print is used for debugging.
- * just print a readable description
- * of (vp).
- */
-static int
-linprocfs_print(ap)
-	struct vop_print_args /* {
-		struct vnode *a_vp;
-	} */ *ap;
-{
-	struct pfsnode *pfs = VTOPFS(ap->a_vp);
-
-	printf("tag VT_PROCFS, type %d, pid %ld, mode %x, flags %lx\n",
-	    pfs->pfs_type, (long)pfs->pfs_pid, pfs->pfs_mode, pfs->pfs_flags);
-	return (0);
-}
-
-/*
- * generic entry point for unsupported operations
- */
-static int
-linprocfs_badop()
-{
-
-	return (EIO);
-}
-
-/*
- * Invent attributes for pfsnode (vp) and store
- * them in (vap).
- * Directories lengths are returned as zero since
- * any real length would require the genuine size
- * to be computed, and nothing cares anyway.
- *
- * this is relatively minimal for procfs.
- */
-static int
-linprocfs_getattr(ap)
-	struct vop_getattr_args /* {
-		struct vnode *a_vp;
-		struct vattr *a_vap;
-		struct ucred *a_cred;
-		struct proc *a_p;
-	} */ *ap;
-{
-	struct pfsnode *pfs = VTOPFS(ap->a_vp);
-	struct vattr *vap = ap->a_vap;
-	struct proc *procp;
-	int error;
-
-	/*
-	 * First make sure that the process and its credentials 
-	 * still exist.
-	 */
-	switch (pfs->pfs_type) {
-	case Proot:
-	case Pself:
-		procp = 0;
-		break;
-
-	default:
-		procp = PFIND(pfs->pfs_pid);
-		if (procp == 0 || procp->p_cred == NULL ||
-		    procp->p_ucred == NULL)
-			return (ENOENT);
-
-		if (p_can(ap->a_p, procp, P_CAN_SEE, NULL))
-			return (ENOENT);
-	}
-
-	error = 0;
-
-	/* start by zeroing out the attributes */
-	VATTR_NULL(vap);
-
-	/* next do all the common fields */
-	vap->va_type = ap->a_vp->v_type;
-	vap->va_mode = pfs->pfs_mode;
-	vap->va_fileid = pfs->pfs_fileno;
-	vap->va_flags = 0;
-	vap->va_blocksize = PAGE_SIZE;
-	vap->va_bytes = vap->va_size = 0;
-	vap->va_fsid = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
-
-	/*
-	 * Make all times be current TOD.
-	 * It would be possible to get the process start
-	 * time from the p_stat structure, but there's
-	 * no "file creation" time stamp anyway, and the
-	 * p_stat structure is not addressible if u. gets
-	 * swapped out for that process.
-	 */
-	nanotime(&vap->va_ctime);
-	vap->va_atime = vap->va_mtime = vap->va_ctime;
-
-	/*
-	 * If the process has exercised some setuid or setgid
-	 * privilege, then rip away read/write permission so
-	 * that only root can gain access.
-	 */
-	switch (pfs->pfs_type) {
-	case Pmem:
-		/* Retain group kmem readablity. */
-		if (procp->p_flag & P_SUGID)
-			vap->va_mode &= ~(VREAD|VWRITE);
-		break;
-	default:
-		break;
-	}
-
-	/*
-	 * now do the object specific fields
-	 *
-	 * The size could be set from struct reg, but it's hardly
-	 * worth the trouble, and it puts some (potentially) machine
-	 * dependent data into this machine-independent code.  If it
-	 * becomes important then this function should break out into
-	 * a per-file stat function in the corresponding .c file.
-	 */
-
-	vap->va_nlink = 1;
-	if (procp) {
-		vap->va_uid = procp->p_ucred->cr_uid;
-		vap->va_gid = procp->p_ucred->cr_gid;
-	}
-
-	switch (pfs->pfs_type) {
-	case Proot:
-		/*
-		 * Set nlink to 1 to tell fts(3) we don't actually know.
-		 */
-		vap->va_nlink = 1;
-		vap->va_uid = 0;
-		vap->va_gid = 0;
-		vap->va_size = vap->va_bytes = DEV_BSIZE;
-		break;
-
-	case Pself: {
-		char buf[16];		/* should be enough */
-		vap->va_uid = 0;
-		vap->va_gid = 0;
-		vap->va_size = vap->va_bytes =
-		    snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
-		break;
-	}
-
-	case Pproc:
-		vap->va_nlink = nproc_targets;
-		vap->va_size = vap->va_bytes = DEV_BSIZE;
-		break;
-
-	case Pexe: {
-		char *fullpath, *freepath;
-		error = textvp_fullpath(procp, &fullpath, &freepath);
-		if (error == 0) {
-			vap->va_size = strlen(fullpath);
-			free(freepath, M_TEMP);
-		} else {
-			vap->va_size = sizeof("unknown") - 1;
-			error = 0;
-		}
-		vap->va_bytes = vap->va_size;
-		break;
-	}
-
-	case Pmeminfo:
-	case Pcpuinfo:
-	case Pstat:
-	case Puptime:
-	case Pversion:
-		vap->va_bytes = vap->va_size = 0;
-		vap->va_uid = 0;
-		vap->va_gid = 0;
-		break;
-		
-	case Pmem:
-		/*
-		 * If we denied owner access earlier, then we have to
-		 * change the owner to root - otherwise 'ps' and friends
-		 * will break even though they are setgid kmem. *SIGH*
-		 */
-		if (procp->p_flag & P_SUGID)
-			vap->va_uid = 0;
-		else
-			vap->va_uid = procp->p_ucred->cr_uid;
-		vap->va_gid = KMEM_GROUP;
-		break;
-
-	case Pcmdline:
-	case Pprocstat:
-	case Pprocstatus:
-		vap->va_bytes = vap->va_size = 0;
-		/* uid, gid are already set */
-		break;
-
-	default:
-		panic("linprocfs_getattr");
-	}
-
-	return (error);
-}
-
-static int
-linprocfs_setattr(ap)
-	struct vop_setattr_args /* {
-		struct vnode *a_vp;
-		struct vattr *a_vap;
-		struct ucred *a_cred;
-		struct proc *a_p;
-	} */ *ap;
-{
-
-	if (ap->a_vap->va_flags != VNOVAL)
-		return (EOPNOTSUPP);
-
-	/*
-	 * just fake out attribute setting
-	 * it's not good to generate an error
-	 * return, otherwise things like creat()
-	 * will fail when they try to set the
-	 * file length to 0.  worse, this means
-	 * that echo $note > /proc/$pid/note will fail.
-	 */
-
-	return (0);
-}
-
-/*
- * implement access checking.
- *
- * actually, the check for super-user is slightly
- * broken since it will allow read access to write-only
- * objects.  this doesn't cause any particular trouble
- * but does mean that the i/o entry points need to check
- * that the operation really does make sense.
- */
-static int
-linprocfs_access(ap)
-	struct vop_access_args /* {
-		struct vnode *a_vp;
-		int a_mode;
-		struct ucred *a_cred;
-		struct proc *a_p;
-	} */ *ap;
-{
-	struct pfsnode *pfs = VTOPFS(ap->a_vp);
-	struct vnode *vp = ap->a_vp;
-	struct proc *procp;
-	struct vattr *vap;
-	struct vattr vattr;
-	int error;
-
-	switch (pfs->pfs_type) {
-	case Proot:
-	case Pself:
-	case Pmeminfo:
-	case Pcpuinfo:
-	case Pstat:
-	case Puptime:
-	case Pversion:
-		break;
-	default:
-		procp = PFIND(pfs->pfs_pid);
-		if (procp == NULL)
-			return (ENOENT);
-		if (p_can(ap->a_p, procp, P_CAN_SEE, NULL))
-			return (ENOENT);
-	}
-
-	vap = &vattr;
-	error = VOP_GETATTR(vp, vap, ap->a_cred, ap->a_p);
-	if (error)
-		return (error);
-
-	return (vaccess(vp->v_type, vap->va_mode, vap->va_uid, vap->va_gid,
-	    ap->a_mode, ap->a_cred, NULL));
-}
-
-/*
- * lookup.  this is incredibly complicated in the
- * general case, however for most pseudo-filesystems
- * very little needs to be done.
- *
- * unless you want to get a migraine, just make sure your
- * filesystem doesn't do any locking of its own.  otherwise
- * read and inwardly digest ufs_lookup().
- */
-static int
-linprocfs_lookup(ap)
-	struct vop_lookup_args /* {
-		struct vnode * a_dvp;
-		struct vnode ** a_vpp;
-		struct componentname * a_cnp;
-	} */ *ap;
-{
-	struct componentname *cnp = ap->a_cnp;
-	struct proc *curp = cnp->cn_proc;
-	struct vnode **vpp = ap->a_vpp;
-	struct vnode *dvp = ap->a_dvp;
-	char *pname = cnp->cn_nameptr;
-	struct proc_target *pt;
-	pid_t pid;
-	struct pfsnode *pfs;
-	struct proc *p;
-	int i;
-
-	*vpp = NULL;
-
-	if (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME ||
-	    cnp->cn_nameiop == CREATE)
-		return (EROFS);
-
-	if (cnp->cn_namelen == 1 && *pname == '.') {
-		*vpp = dvp;
-		VREF(dvp);
-		/* vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, curp); */
-		return (0);
-	}
-
-	pfs = VTOPFS(dvp);
-	switch (pfs->pfs_type) {
-	case Proot:
-		if (cnp->cn_flags & ISDOTDOT)
-			return (EIO);
-
-		if (CNEQ(cnp, "self", 4))
-			return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pself));
-		if (CNEQ(cnp, "meminfo", 7))
-			return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pmeminfo));
-		if (CNEQ(cnp, "cpuinfo", 7))
-			return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pcpuinfo));
-		if (CNEQ(cnp, "stat", 4))
-			return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pstat));
-		if (CNEQ(cnp, "uptime", 6))
-			return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Puptime));
-		if (CNEQ(cnp, "version", 7))
-			return (linprocfs_allocvp(dvp->v_mount, vpp, 0, Pversion));
-
-		pid = atopid(pname, cnp->cn_namelen);
-		if (pid == NO_PID)
-			break;
-
-		p = PFIND(pid);
-		if (p == 0)
-			break;
-
-		if (p_can(curp, p, P_CAN_SEE, NULL))
-			break;
-
-		return (linprocfs_allocvp(dvp->v_mount, vpp, pid, Pproc));
-
-	case Pproc:
-		if (cnp->cn_flags & ISDOTDOT)
-			return (linprocfs_root(dvp->v_mount, vpp));
-
-		p = PFIND(pfs->pfs_pid);
-		if (p == 0)
-			break;
-
-		for (pt = proc_targets, i = 0; i < nproc_targets; pt++, i++) {
-			if (cnp->cn_namelen == pt->pt_namlen &&
-			    bcmp(pt->pt_name, pname, cnp->cn_namelen) == 0 &&
-			    (pt->pt_valid == NULL || (*pt->pt_valid)(p)))
-				goto found;
-		}
-		break;
-
-	found:
-		return (linprocfs_allocvp(dvp->v_mount, vpp, pfs->pfs_pid,
-		    pt->pt_pfstype));
-
-	default:
-		return (ENOTDIR);
-	}
-
-	return (cnp->cn_nameiop == LOOKUP ? ENOENT : EROFS);
-}
-
-/*
- * Does this process have a text file?
- */
-int
-linprocfs_validfile(p)
-	struct proc *p;
-{
-
-	return (procfs_findtextvp(p) != NULLVP);
-}
-
-/*
- * readdir() returns directory entries from pfsnode (vp).
- *
- * We generate just one directory entry at a time, as it would probably
- * not pay off to buffer several entries locally to save uiomove calls.
- */
-static int
-linprocfs_readdir(ap)
-	struct vop_readdir_args /* {
-		struct vnode *a_vp;
-		struct uio *a_uio;
-		struct ucred *a_cred;
-		int *a_eofflag;
-		int *a_ncookies;
-		u_long **a_cookies;
-	} */ *ap;
-{
-	struct uio *uio = ap->a_uio;
-	struct dirent d;
-	struct dirent *dp = &d;
-	struct pfsnode *pfs;
-	int count, error, i, off;
-	static u_int delen;
-
-	if (!delen) {
-
-		d.d_namlen = PROCFS_NAMELEN;
-		delen = GENERIC_DIRSIZ(&d);
-	}
-
-	pfs = VTOPFS(ap->a_vp);
-
-	off = (int)uio->uio_offset;
-	if (off != uio->uio_offset || off < 0 || 
-	    off % delen != 0 || uio->uio_resid < delen)
-		return (EINVAL);
-
-	error = 0;
-	count = 0;
-	i = off / delen;
-
-	switch (pfs->pfs_type) {
-	/*
-	 * this is for the process-specific sub-directories.
-	 * all that is needed to is copy out all the entries
-	 * from the procent[] table (top of this file).
-	 */
-	case Pproc: {
-		struct proc *p;
-		struct proc_target *pt;
-
-		p = PFIND(pfs->pfs_pid);
-		if (p == NULL)
-			break;
-		if (p_can(curproc, p, P_CAN_SEE, NULL))
-			break;
-
-		for (pt = &proc_targets[i];
-		     uio->uio_resid >= delen && i < nproc_targets; pt++, i++) {
-			if (pt->pt_valid && (*pt->pt_valid)(p) == 0)
-				continue;
-
-			dp->d_reclen = delen;
-			dp->d_fileno = PROCFS_FILENO(pfs->pfs_pid, pt->pt_pfstype);
-			dp->d_namlen = pt->pt_namlen;
-			bcopy(pt->pt_name, dp->d_name, pt->pt_namlen + 1);
-			dp->d_type = pt->pt_type;
-
-			if ((error = uiomove((caddr_t)dp, delen, uio)) != 0)
-				break;
-		}
-
-	    	break;
-	    }
-
-	/*
-	 * this is for the root of the procfs filesystem
-	 * what is needed is a special entry for "self"
-	 * followed by an entry for each process on allproc
-#ifdef PROCFS_ZOMBIE
-	 * and zombproc.
-#endif
-	 */
-
-	case Proot: {
-#ifdef PROCFS_ZOMBIE
-		int doingzomb = 0;
-#endif
-		int pcnt = 0;
-		struct proc *p = allproc.lh_first;
-
-		for (; p && uio->uio_resid >= delen; i++, pcnt++) {
-			bzero((char *) dp, delen);
-			dp->d_reclen = delen;
-
-			switch (i) {
-			case 0:		/* `.' */
-			case 1:		/* `..' */
-				dp->d_fileno = PROCFS_FILENO(0, Proot);
-				dp->d_namlen = i + 1;
-				bcopy("..", dp->d_name, dp->d_namlen);
-				dp->d_name[i + 1] = '\0';
-				dp->d_type = DT_DIR;
-				break;
-
-			case 2:
-				dp->d_fileno = PROCFS_FILENO(0, Pself);
-				dp->d_namlen = 4;
-				bcopy("self", dp->d_name, 5);
-				dp->d_type = DT_LNK;
-				break;
-
-			case 3:
-				dp->d_fileno = PROCFS_FILENO(0, Pmeminfo);
-				dp->d_namlen = 7;
-				bcopy("meminfo", dp->d_name, 8);
-				dp->d_type = DT_REG;
-				break;
-
-			case 4:
-				dp->d_fileno = PROCFS_FILENO(0, Pcpuinfo);
-				dp->d_namlen = 7;
-				bcopy("cpuinfo", dp->d_name, 8);
-				dp->d_type = DT_REG;
-				break;
-
-			case 5:
-				dp->d_fileno = PROCFS_FILENO(0, Pstat);
-				dp->d_namlen = 4;
-				bcopy("stat", dp->d_name, 5);
-				dp->d_type = DT_REG;
-				break;
-			    
-			case 6:
-				dp->d_fileno = PROCFS_FILENO(0, Puptime);
-				dp->d_namlen = 6;
-				bcopy("uptime", dp->d_name, 7);
-				dp->d_type = DT_REG;
-				break;
-
-			case 7:
-				dp->d_fileno = PROCFS_FILENO(0, Pversion);
-				dp->d_namlen = 7;
-				bcopy("version", dp->d_name, 8);
-				dp->d_type = DT_REG;
-				break;
-
-			default:
-				while (pcnt < i) {
-					p = p->p_list.le_next;
-					if (!p)
-						goto done;
-					if (p_can(curproc, p, P_CAN_SEE, NULL))
-						continue;
-					pcnt++;
-				}
-				while (p_can(curproc, p, P_CAN_SEE, NULL)) {
-					p = p->p_list.le_next;
-					if (!p)
-						goto done;
-				}
-				dp->d_fileno = PROCFS_FILENO(p->p_pid, Pproc);
-				dp->d_namlen = sprintf(dp->d_name, "%ld",
-				    (long)p->p_pid);
-				dp->d_type = DT_DIR;
-				p = p->p_list.le_next;
-				break;
-			}
-
-			if ((error = uiomove((caddr_t)dp, delen, uio)) != 0)
-				break;
-		}
-	done:
-
-#ifdef PROCFS_ZOMBIE
-		if (p == 0 && doingzomb == 0) {
-			doingzomb = 1;
-			p = zombproc.lh_first;
-			goto again;
-		}
-#endif
-
-		break;
-
-	    }
-
-	default:
-		error = ENOTDIR;
-		break;
-	}
-
-	uio->uio_offset = i * delen;
-
-	return (error);
-}
-
-/*
- * readlink reads the link of `self' or `exe'
- */
-static int
-linprocfs_readlink(ap)
-	struct vop_readlink_args *ap;
-{
-	char buf[16];		/* should be enough */
-	struct proc *procp;
-	struct vnode *vp = ap->a_vp;
-	struct pfsnode *pfs = VTOPFS(vp);
-	char *fullpath, *freepath;
-	int error, len;
-
-	switch (pfs->pfs_type) {
-	case Pself:
-		if (pfs->pfs_fileno != PROCFS_FILENO(0, Pself))
-			return (EINVAL);
-
-		len = snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
-
-		return (uiomove(buf, len, ap->a_uio));
-	/*
-	 * There _should_ be no way for an entire process to disappear
-	 * from under us...
-	 */
-	case Pexe:
-		procp = PFIND(pfs->pfs_pid);
-		if (procp == NULL || procp->p_cred == NULL ||
-		    procp->p_ucred == NULL) {
-			printf("linprocfs_readlink: pid %d disappeared\n",
-			    pfs->pfs_pid);
-			return (uiomove("unknown", sizeof("unknown") - 1,
-			    ap->a_uio));
-		}
-		error = textvp_fullpath(procp, &fullpath, &freepath);
-		if (error != 0)
-			return (uiomove("unknown", sizeof("unknown") - 1,
-			    ap->a_uio));
-		error = uiomove(fullpath, strlen(fullpath), ap->a_uio);
-		free(freepath, M_TEMP);
-		return (error);
-	default:
-		return (EINVAL);
-	}
-}
-
-/*
- * convert decimal ascii to pid_t
- */
-static pid_t
-atopid(b, len)
-	const char *b;
-	u_int len;
-{
-	pid_t p = 0;
-
-	while (len--) {
-		char c = *b++;
-		if (c < '0' || c > '9')
-			return (NO_PID);
-		p = 10 * p + (c - '0');
-		if (p > PID_MAX)
-			return (NO_PID);
-	}
-
-	return (p);
-}
-
-/*
- * procfs vnode operations.
- */
-vop_t **linprocfs_vnodeop_p;
-static struct vnodeopv_entry_desc linprocfs_vnodeop_entries[] = {
-	{ &vop_default_desc,		(vop_t *) vop_defaultop },
-	{ &vop_access_desc,		(vop_t *) linprocfs_access },
-	{ &vop_advlock_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_bmap_desc,		(vop_t *) linprocfs_bmap },
-	{ &vop_close_desc,		(vop_t *) linprocfs_close },
-	{ &vop_create_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_getattr_desc,		(vop_t *) linprocfs_getattr },
-	{ &vop_inactive_desc,		(vop_t *) linprocfs_inactive },
-	{ &vop_link_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_lookup_desc,		(vop_t *) linprocfs_lookup },
-	{ &vop_mkdir_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_mknod_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_open_desc,		(vop_t *) linprocfs_open },
-	{ &vop_pathconf_desc,		(vop_t *) vop_stdpathconf },
-	{ &vop_print_desc,		(vop_t *) linprocfs_print },
-	{ &vop_read_desc,		(vop_t *) linprocfs_rw },
-	{ &vop_readdir_desc,		(vop_t *) linprocfs_readdir },
-	{ &vop_readlink_desc,		(vop_t *) linprocfs_readlink },
-	{ &vop_reclaim_desc,		(vop_t *) linprocfs_reclaim },
-	{ &vop_remove_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_rename_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_rmdir_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_setattr_desc,		(vop_t *) linprocfs_setattr },
-	{ &vop_symlink_desc,		(vop_t *) linprocfs_badop },
-	{ &vop_write_desc,		(vop_t *) linprocfs_rw },
-	{ &vop_ioctl_desc,		(vop_t *) linprocfs_ioctl },
-	{ NULL, NULL }
-};
-static struct vnodeopv_desc linprocfs_vnodeop_opv_desc =
-	{ &linprocfs_vnodeop_p, linprocfs_vnodeop_entries };
-
-VNODEOP_SET(linprocfs_vnodeop_opv_desc);