* Copyright (c) 1991 Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
* @(#)vm.h 7.1 (Berkeley) 5/5/91
#include <vm/vm_inherit.h>
#include <vm/vm_object.h>
#include <vm/vm_statistics.h>
* Shareable process virtual address space.
* May eventually be merged with vm_map.
* Several fields are temporary (text, data stuff).
struct vm_map vm_map
; /* VM address map */
struct pmap vm_pmap
; /* private physical map */
int vm_refcnt
; /* number of references */
caddr_t vm_shm
; /* SYS5 shared memory private data XXX */
/* we copy from vm_startcopy to the end of the structure on fork */
#define vm_startcopy vm_rssize
segsz_t vm_rssize
; /* current resident set size in pages */
segsz_t vm_swrss
; /* resident set size before last swap */
segsz_t vm_tsize
; /* text size (pages) XXX */
segsz_t vm_dsize
; /* data size (pages) XXX */
segsz_t vm_ssize
; /* stack size (pages) */
caddr_t vm_taddr
; /* user virtual address of text XXX */
caddr_t vm_daddr
; /* user virtual address of data XXX */
caddr_t vm_maxsaddr
; /* user VA at max stack growth */
struct vmspace
*vmspace_alloc
__P((vm_offset_t min
, vm_offset_t max
,
struct vmspace
*vmspace_fork
__P((struct vmspace
*));
void vmspace_free
__P((struct vmspace
*));