---
 mm/slub.c |   12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c	2008-04-02 18:58:09.723765947 -0700
+++ linux-2.6/mm/slub.c	2008-04-02 18:58:24.288074518 -0700
@@ -2903,17 +2903,23 @@ int kmem_cache_reclaim(struct list_head 
  * slabs with less than a quarter of objects allocated.
  */
 static unsigned long __kmem_cache_shrink(struct kmem_cache *s,
-	struct kmem_cache_node *n)
+	int node, unsigned long limit)
 {
 	unsigned long flags;
 	struct page *page, *page2;
 	LIST_HEAD(zaplist);
 	int freed = 0;
+	struct kmem_cache_node *n = get_node(s, node);
 
+	if (n->nr_partial <= limit)
+		return 0;
 	spin_lock_irqsave(&n->list_lock, flags);
 	list_for_each_entry_safe(page, page2, &n->partial, lru) {
-		if (page->inuse > page->objects / 4 ||
-					(s->kick && !SlabKickable(page)))
+		if (s->kick && !SlabKickable(page))
+			continue;
+
+		if (page->inuse * 100 >=
+				s->defrag_ratio * page->objects)
 			continue;
 
 		if (!slab_trylock(page))