d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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:
dyson 1998-01-31 20:30:18 +00:00
parent f71f7b54be
commit 44cc663f3d
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/vm/vm_page.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* from: @(#)vm_page.c 7.4 (Berkeley) 5/7/91 * 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); vm_page_unqueue(m);
splx(s); splx(s);
cnt.v_wire_count++; cnt.v_wire_count++;
m->object->wire_count++; if (m->object)
m->object->wire_count++;
} }
(*vm_page_queues[PQ_NONE].lcnt)++; (*vm_page_queues[PQ_NONE].lcnt)++;
m->wire_count++; m->wire_count++;
@ -1211,7 +1212,8 @@ vm_page_unwire(m)
if (m->wire_count > 0) { if (m->wire_count > 0) {
m->wire_count--; m->wire_count--;
if (m->wire_count == 0) { if (m->wire_count == 0) {
m->object->wire_count--; if (m->object)
m->object->wire_count--;
cnt.v_wire_count--; cnt.v_wire_count--;
TAILQ_INSERT_TAIL(&vm_page_queue_active, m, pageq); TAILQ_INSERT_TAIL(&vm_page_queue_active, m, pageq);
m->queue = PQ_ACTIVE; m->queue = PQ_ACTIVE;