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make absent absent

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This commit is contained in:
cgd 1993-11-10 08:22:05 +00:00
parent d580099dde
commit 56adbe979f
4 changed files with 6 additions and 19 deletions
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3
sys/vm/device_pager.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* from: @(#)device_pager.c 8.1 (Berkeley) 6/11/93
* $Id: device_pager.c,v 1.8 1993/11/10 08:11:47 cgd Exp $
* $Id: device_pager.c,v 1.9 1993/11/10 08:22:05 cgd Exp $
*/
/*
@ -346,7 +346,6 @@ dev_pager_getfake(paddr)
* m->flags = PG_BUSY | PG_CLEAN | PG_FAKE | PG_FICTITIOUS;
* to ours:
*/
m->absent = 0; /* no analog in the 4.4 flags */
m->inactive = 0;
m->active = 0;
m->laundry = 0;

13
sys/vm/vm_fault.c
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@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)vm_fault.c 7.6 (Berkeley) 5/7/91
* $Id: vm_fault.c,v 1.7 1993/07/28 02:23:33 cgd Exp $
* $Id: vm_fault.c,v 1.8 1993/11/10 08:22:11 cgd Exp $
*
*
* Copyright (c) 1987, 1990 Carnegie-Mellon University.
@ -262,9 +262,6 @@ thread_wakeup(&vm_pages_needed); /* XXX! */
#endif
}
if (m->absent)
panic("vm_fault: absent");
/*
* If the desired access to this page has
* been locked out, request that it be unlocked.
@ -324,7 +321,6 @@ thread_wakeup(&vm_pages_needed); /* XXX */
* Mark page busy for other threads.
*/
m->busy = TRUE;
m->absent = FALSE;
break;
}
@ -450,7 +446,6 @@ thread_wakeup(&vm_pages_needed); /* XXX */
vm_page_zero_fill(m);
vm_stat.zero_fill_count++;
m->fake = FALSE;
m->absent = FALSE;
break;
}
else {
@ -463,8 +458,8 @@ thread_wakeup(&vm_pages_needed); /* XXX */
}
}
if (m->absent || m->active || m->inactive || !m->busy)
panic("vm_fault: absent or active or inactive or not busy after main loop");
if (m->active || m->inactive || !m->busy)
panic("vm_fault: active or inactive or not busy after main loop");
/*
* PAGE HAS BEEN FOUND.
@ -512,7 +507,6 @@ thread_wakeup(&vm_pages_needed); /* XXX */
vm_page_copy(m, first_m);
first_m->fake = FALSE;
first_m->absent = FALSE;
/*
* If another map is truly sharing this
@ -731,7 +725,6 @@ thread_wakeup(&vm_pages_needed); /* XXX */
*/
vm_page_copy(m, copy_m);
copy_m->fake = FALSE;
copy_m->absent = FALSE;
/*
* Things to remember:

6
sys/vm/vm_page.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)vm_page.c 7.4 (Berkeley) 5/7/91
* $Id: vm_page.c,v 1.6 1993/08/27 23:46:02 brezak Exp $
* $Id: vm_page.c,v 1.7 1993/11/10 08:22:14 cgd Exp $
*
*
* Copyright (c) 1987, 1990 Carnegie-Mellon University.
@ -731,7 +731,6 @@ void vm_page_init(mem, object, offset)
(mem)->tabled = FALSE; \
if (object) vm_page_insert((mem), (object), (offset)); \
else (mem)->object = NULL; \
(mem)->absent = FALSE; \
(mem)->fictitious = FALSE; \
(mem)->page_lock = VM_PROT_NONE; \
(mem)->unlock_request = VM_PROT_NONE; \
@ -751,7 +750,6 @@ void vm_page_init(mem, object, offset)
(mem)->tabled = FALSE; \
if (object) vm_page_insert((mem), (object), (offset)); \
else (mem)->object = NULL; \
(mem)->absent = FALSE; \
(mem)->fictitious = FALSE; \
(mem)->page_lock = VM_PROT_NONE; \
(mem)->unlock_request = VM_PROT_NONE; \
@ -770,7 +768,6 @@ void vm_page_init(mem, object, offset)
(mem)->busy = TRUE; \
(mem)->tabled = FALSE; \
vm_page_insert((mem), (object), (offset)); \
(mem)->absent = FALSE; \
(mem)->fictitious = FALSE; \
(mem)->page_lock = VM_PROT_NONE; \
(mem)->unlock_request = VM_PROT_NONE; \
@ -789,7 +786,6 @@ void vm_page_init(mem, object, offset)
(mem)->busy = TRUE; \
(mem)->tabled = FALSE; \
vm_page_insert((mem), (object), (offset)); \
(mem)->absent = FALSE; \
(mem)->fictitious = FALSE; \
(mem)->page_lock = VM_PROT_NONE; \
(mem)->unlock_request = VM_PROT_NONE; \

3
sys/vm/vm_page.h
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)vm_page.h 7.3 (Berkeley) 4/21/91
* $Id: vm_page.h,v 1.5 1993/08/27 23:46:43 brezak Exp $
* $Id: vm_page.h,v 1.6 1993/11/10 08:22:18 cgd Exp $
*
*
* Copyright (c) 1987, 1990 Carnegie-Mellon University.
@ -125,7 +125,6 @@ struct vm_page {
copy_on_write:1,/* page must be copied before being
changed (O) */
fictitious:1, /* physical page doesn't exist (O) */
absent:1, /* virtual page doesn't exist (O) */
fake:1, /* page is a placeholder for page-in
(O) */
:0;