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Just return in the case of a page not on any queue in vm_page_unqueue().

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Return VM_PAGE_BITS_ALL even if size > PAGE_SIZE in vm_page_bits().

Submitted by:	John Dyson
This commit is contained in:
dg 1995-02-22 10:16:21 +00:00
parent 8580a6652a
commit cea178d01e
1 changed files with 7 additions and 3 deletions
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10
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 1.19 1995/02/20 13:58:14 davidg Exp $
* $Id: vm_page.c,v 1.20 1995/02/20 14:00:50 davidg Exp $
*/
/*
@ -548,8 +548,12 @@ vm_page_unqueue(vm_page_t mem)
{
int s, origflags;
s = splhigh();
origflags = mem->flags;
if ((origflags & (PG_ACTIVE|PG_INACTIVE|PG_CACHE)) == 0)
return origflags;
s = splhigh();
if (mem->flags & PG_ACTIVE) {
TAILQ_REMOVE(&vm_page_queue_active, mem, pageq);
cnt.v_active_count--;
@ -1055,7 +1059,7 @@ vm_page_bits(int base, int size)
{
u_short chunk;
if( (base == 0) && (size == PAGE_SIZE))
if ((base == 0) && (size >= PAGE_SIZE))
return VM_PAGE_BITS_ALL;
size = (size + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
base = (base % PAGE_SIZE) / DEV_BSIZE;