diff options
Diffstat (limited to 'sys/vm/vm_user.c')
| -rw-r--r-- | sys/vm/vm_user.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/sys/vm/vm_user.c b/sys/vm/vm_user.c deleted file mode 100644 index 104e814..0000000 --- a/sys/vm/vm_user.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * The Mach Operating System project at Carnegie-Mellon University. - * - * 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. - * - * from: @(#)vm_user.c 8.2 (Berkeley) 1/12/94 - * - * - * Copyright (c) 1987, 1990 Carnegie-Mellon University. - * All rights reserved. - * - * Authors: Avadis Tevanian, Jr., Michael Wayne Young - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - * - * $Id: vm_user.c,v 1.8 1995/02/20 18:08:18 davidg Exp $ - */ - -/* - * User-exported virtual memory functions. - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/proc.h> - -#include <vm/vm.h> - -simple_lock_data_t vm_alloc_lock; /* XXX */ - -/* - * Similar to vm_allocate but assigns an explicit pager. - */ -int -vm_allocate_with_pager(map, addr, size, anywhere, pager, poffset, internal) - register vm_map_t map; - register vm_offset_t *addr; - register vm_size_t size; - boolean_t anywhere; - vm_pager_t pager; - vm_offset_t poffset; - boolean_t internal; -{ - register vm_object_t object; - register int result; - - if (map == NULL) - return (KERN_INVALID_ARGUMENT); - - *addr = trunc_page(*addr); - size = round_page(size); - - /* - * Lookup the pager/paging-space in the object cache. If it's not - * there, then create a new object and cache it. - */ - object = vm_object_lookup(pager); - if (object == NULL) { - object = vm_object_allocate(size); - /* - * From Mike Hibler: "unnamed anonymous objects should never - * be on the hash list ... For now you can just change - * vm_allocate_with_pager to not do vm_object_enter if this is - * an internal object ..." - */ - if (!internal) - vm_object_enter(object, pager); - } - if (internal) - object->flags |= OBJ_INTERNAL; - else { - object->flags &= ~OBJ_INTERNAL; - cnt.v_nzfod -= atop(size); - } - - result = vm_map_find(map, object, poffset, addr, size, anywhere); - if (result != KERN_SUCCESS) - vm_object_deallocate(object); - else if (pager != NULL) - vm_object_setpager(object, pager, (vm_offset_t) 0, TRUE); - return (result); -} |
