diff options
Diffstat (limited to 'sys/fs/procfs/procfs_mem.c')
| -rw-r--r-- | sys/fs/procfs/procfs_mem.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/fs/procfs/procfs_mem.c b/sys/fs/procfs/procfs_mem.c index b536055..f772c4b 100644 --- a/sys/fs/procfs/procfs_mem.c +++ b/sys/fs/procfs/procfs_mem.c @@ -37,7 +37,7 @@ * * @(#)procfs_mem.c 8.4 (Berkeley) 1/21/94 * - * $Id: procfs_mem.c,v 1.14 1995/12/17 07:19:24 bde Exp $ + * $Id: procfs_mem.c,v 1.15 1996/01/19 03:58:32 dyson Exp $ */ /* @@ -62,6 +62,7 @@ #include <vm/vm_object.h> #include <vm/vm_page.h> #include <vm/vm_extern.h> +#include <sys/user.h> static int procfs_rwmem __P((struct proc *p, struct uio *uio)); @@ -96,10 +97,18 @@ procfs_rwmem(p, uio) uva = (vm_offset_t) uio->uio_offset; if (uva >= VM_MAXUSER_ADDRESS) { + if (writing || (uva >= (VM_MAXUSER_ADDRESS + UPAGES * PAGE_SIZE))) { error = 0; break; } + /* we are reading the "U area", fill it in */ + PHOLD(p); + if (p->p_flag & P_INMEM) { + p->p_addr->u_kproc.kp_proc = *p; + fill_eproc (p, &p->p_addr->u_kproc.kp_eproc); + } + PRELE(p); } /* |
