PERFORCE change 90602 for review

[Alan Cox]

http://perforce.freebsd.org/chv.cgi?CH=90602

Change 90602 by alc at alc_home on 2006/01/29 05:47:50

	Prepare for recognizing cache pages using PG_CACHE.

Affected files ...

.. //depot/projects/superpages/src/sys/vm/vm_pageq.c#12 edit

Differences ...

==== //depot/projects/superpages/src/sys/vm/vm_pageq.c#12 (text+ko) ====

@@ -164,7 +164,7 @@
 	int queue = VM_PAGE_GETQUEUE(m);
 	struct vpgqueues *pq;
 
-	if ((queue - m->buddyq) == PQ_BUDDY) {
+	if ((m->flags & PG_CACHE) != 0) {
 		buddy_unfree(m);
 		KASSERT(m->queue == PQ_NONE, ("xxx"));
 		vm_page_flag_clear(m, PG_CACHE);
@@ -191,7 +191,7 @@
 	int queue = VM_PAGE_GETQUEUE(m);
 	struct vpgqueues *pq;
 
-	if ((queue - m->buddyq) == PQ_BUDDY) {
+	if ((m->flags & PG_CACHE) != 0) {
 		buddy_unfree(m);
 		KASSERT(m->queue == PQ_NONE, ("xxx"));
 		vm_page_flag_clear(m, PG_CACHE);