Fix ticks wrap issue of lowmem test in vm_pageout_scan

Reviewed by: jhb (D818) MFC after: 3 days Sponsored by: Multiplay
2014-09-24 14:35:08 +00:00 · 2014-09-24 14:35:08 +00:00 · f721133eb9
commit f721133eb9
parent 2f02abc196
1 changed files with 1 additions and 1 deletions
--- a/sys/vm/vm_pageout.c
+++ b/sys/vm/vm_pageout.c
@ -916,7 +916,7 @@ vm_pageout_scan(struct vm_domain *vmd, int pass)
 	 * some.  We rate limit to avoid thrashing.
 	 */
 	if (vmd == &vm_dom[0] && pass > 0 &&
-	    lowmem_ticks + (lowmem_period * hz) < ticks) {
+	    (ticks - lowmem_ticks) / hz >= lowmem_period) {
 		/*
 		 * Decrease registered cache sizes.
 		 */