---
 mm/slub.c |   14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

Index: slub/mm/slub.c
===================================================================
--- slub.orig/mm/slub.c	2007-05-06 08:03:51.000000000 -0700
+++ slub/mm/slub.c	2007-05-06 08:17:40.000000000 -0700
@@ -136,14 +136,14 @@
  * Mininum number of partial slabs. These will be left on the partial
  * lists even if they are empty. kmem_cache_shrink may reclaim them.
  */
-#define MIN_PARTIAL 2
+#define MIN_PARTIAL 20
 
 /*
  * Maximum number of desirable partial slabs.
  * The existence of more partial slabs makes kmem_cache_shrink
  * sort the partial list by the number of objects in the.
  */
-#define MAX_PARTIAL 10
+#define MAX_PARTIAL 30
 
 #define DEBUG_DEFAULT_FLAGS (SLAB_DEBUG_FREE | SLAB_RED_ZONE | \
 				SLAB_POISON | SLAB_STORE_USER)
@@ -1133,8 +1133,12 @@ static struct page *get_partial(struct k
 {
 	struct page *page;
 	int searchnode = (node == -1) ? numa_node_id() : node;
+	struct kmem_cache_node *n = get_node(s, searchnode);
 
-	page = get_partial_node(get_node(s, searchnode));
+	if (n->nr_partial < MIN_PARTIAL)
+		return NULL;
+
+	page = get_partial_node(n);
 	if (page || (flags & __GFP_THISNODE))
 		return page;
 
@@ -1155,7 +1159,7 @@ static void putback_slab(struct kmem_cac
 	if (page->inuse) {
 
 		if (page->freelist)
-			add_partial(n, page);
+			add_partial_tail(n, page);
 		else if (DebugSlab(page) && (s->flags & SLAB_STORE_USER))
 			add_full(n, page);
 		slab_unlock(page);
@@ -1170,7 +1174,7 @@ static void putback_slab(struct kmem_cac
 			 * partial list stays small. kmem_cache_shrink can
 			 * reclaim empty slabs from the partial list.
 			 */
-			add_partial_tail(n, page);
+			add_partial(n, page);
 			slab_unlock(page);
 		} else {
 			slab_unlock(page);