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Code Issues Releases Activity

New subroutine "vm_page_set_validclean" for a vfs_bio improvement.

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This commit is contained in:
John Dyson 1995-09-03 19:57:25 +00:00
parent 8c601f7da8
commit 4589a4b5dc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=10542
1 changed files with 17 additions and 1 deletions
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18
sys/vm/vm_page.c
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@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)vm_page.c 7.4 (Berkeley) 5/7/91
* $Id: vm_page.c,v 1.33 1995/07/13 08:48:37 davidg Exp $
* $Id: vm_page.c,v 1.34 1995/07/20 05:28:07 davidg Exp $
*/
/*
@ -998,6 +998,22 @@ vm_page_bits(int base, int size)
return (chunk << base) & VM_PAGE_BITS_ALL;
}
/*
* set a page valid and clean
*/
void
vm_page_set_validclean(m, base, size)
vm_page_t m;
int base;
int size;
{
int pagebits = vm_page_bits(base, size);
m->valid |= pagebits;
m->dirty &= ~pagebits;
if( base == 0 && size == PAGE_SIZE)
pmap_clear_modify(VM_PAGE_TO_PHYS(m));
}
/*
* set a page (partially) valid
*/