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Set the page valid bits in fewer places, as opposed to being scattered

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in various places.
This commit is contained in:
John Dyson 1996-03-09 06:48:26 +00:00
parent 18ff64943e
commit 65bc79b85f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=14427
1 changed files with 3 additions and 5 deletions
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8
sys/vm/vm_fault.c
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@ -66,7 +66,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: vm_fault.c,v 1.40 1996/01/19 03:59:43 dyson Exp $
* $Id: vm_fault.c,v 1.41 1996/03/02 02:54:18 dyson Exp $
*/
/*
@ -439,7 +439,6 @@ readrest:
if ((m->flags & PG_ZERO) == 0)
vm_page_zero_fill(m);
m->valid = VM_PAGE_BITS_ALL;
cnt.v_zfod++;
break;
} else {
@ -513,7 +512,6 @@ readrest:
*/
vm_page_rename(m, first_object, first_pindex);
first_m = m;
m->valid = VM_PAGE_BITS_ALL;
m->dirty = VM_PAGE_BITS_ALL;
m = NULL;
++vm_fault_copy_save_1;
@ -522,7 +520,6 @@ readrest:
* Oh, well, lets copy it.
*/
vm_page_copy(m, first_m);
first_m->valid = VM_PAGE_BITS_ALL;
}
if (lookup_still_valid &&
@ -591,7 +588,7 @@ readrest:
*/
vm_page_rename(m, other_object, other_pindex);
m->dirty = VM_PAGE_BITS_ALL;
/* m->valid = VM_PAGE_BITS_ALL; */
m->valid = VM_PAGE_BITS_ALL;
++vm_fault_copy_save_2;
}
}
@ -710,6 +707,7 @@ readrest:
m->flags |= PG_MAPPED|PG_REFERENCED;
m->flags &= ~PG_ZERO;
m->valid = VM_PAGE_BITS_ALL;
pmap_enter(map->pmap, vaddr, VM_PAGE_TO_PHYS(m), prot, wired);
#if 0