Index: subr_pool.c
===================================================================
RCS file: /cvs/src/sys/kern/subr_pool.c,v
retrieving revision 1.170
diff -u -p -r1.170 subr_pool.c
--- subr_pool.c	19 Dec 2014 02:15:25 -0000	1.170
+++ subr_pool.c	19 Dec 2014 02:33:11 -0000
@@ -82,6 +82,7 @@ struct pool_item_header {
 	int			ph_nmissing;	/* # of chunks in use */
 	caddr_t			ph_page;	/* this page's address */
 	u_long			ph_magic;
+	int			ph_tick;
 };
 #define POOL_MAGICBIT (1 << 3) /* keep away from perturbed low bits */
 #define POOL_PHPOISON(ph) ISSET((ph)->ph_magic, POOL_MAGICBIT)
@@ -620,6 +621,7 @@ pool_put(struct pool *pp, void *v)
 {
 	struct pool_item *pi = v;
 	struct pool_item_header *ph, *freeph = NULL;
+	extern int ticks;
 
 #ifdef DIAGNOSTIC
 	if (v == NULL)
@@ -664,6 +666,7 @@ pool_put(struct pool *pp, void *v)
 	 	 */
 		pp->pr_nidle++;
 
+		ph->ph_tick = ticks;
 		TAILQ_REMOVE(&pp->pr_partpages, ph, ph_pagelist);
 		TAILQ_INSERT_TAIL(&pp->pr_emptypages, ph, ph_pagelist);
 		pool_update_curpage(pp);
@@ -674,8 +677,11 @@ pool_put(struct pool *pp, void *v)
 
 	/* is it time to free a page? */
 	if (pp->pr_nidle > pp->pr_maxpages &&
-	    (freeph = TAILQ_FIRST(&pp->pr_emptypages)) != NULL)
+	    (ph = TAILQ_FIRST(&pp->pr_emptypages)) != NULL &&
+	    (ticks - ph->ph_tick) > hz) {
+		freeph = ph;
 		pool_p_remove(pp, freeph);
+	}
 	mtx_leave(&pp->pr_mtx);
 
 	if (freeph != NULL)
@@ -851,9 +857,9 @@ pool_p_remove(struct pool *pp, struct po
 void
 pool_update_curpage(struct pool *pp)
 {
-	pp->pr_curpage = TAILQ_FIRST(&pp->pr_partpages);
+	pp->pr_curpage = TAILQ_LAST(&pp->pr_partpages, pool_pagelist);
 	if (pp->pr_curpage == NULL) {
-		pp->pr_curpage = TAILQ_FIRST(&pp->pr_emptypages);
+		pp->pr_curpage = TAILQ_LAST(&pp->pr_emptypages, pool_pagelist);
 	}
 }