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contigalloc doesn't place the allocated page(s) into an object, and

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now this breaks vm_page_wire (due to wired page accounting per object.)

This should fix a problem as described by Donald Maddox.
This commit is contained in:
John Dyson 1998-01-31 20:30:18 +00:00
parent cb800e3451
commit c15541e7a7
1 changed files with 5 additions and 3 deletions
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8
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 1.87 1998/01/22 17:30:41 dyson Exp $
* $Id: vm_page.c,v 1.88 1998/01/31 11:56:47 dyson Exp $
*/
/*
@ -1185,7 +1185,8 @@ vm_page_wire(m)
vm_page_unqueue(m);
splx(s);
cnt.v_wire_count++;
m->object->wire_count++;
if (m->object)
m->object->wire_count++;
}
(*vm_page_queues[PQ_NONE].lcnt)++;
m->wire_count++;
@ -1211,7 +1212,8 @@ vm_page_unwire(m)
if (m->wire_count > 0) {
m->wire_count--;
if (m->wire_count == 0) {
m->object->wire_count--;
if (m->object)
m->object->wire_count--;
cnt.v_wire_count--;
TAILQ_INSERT_TAIL(&vm_page_queue_active, m, pageq);
m->queue = PQ_ACTIVE;