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New subroutine "vm_page_set_validclean" for a vfs_bio improvement.

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dyson 1995-09-03 19:57:25 +00:00
parent 1dfba63ec9
commit 76391cb40d
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
*/