We can avoid deactivate slab in special cases if we do the
deactivation of slabs in each code flow that leads to new_slab.

Signed-off-by: Christoph Lameter <cl@linux.com>

---
 mm/slub.c |   11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c	2011-05-31 14:27:11.362880110 -0500
+++ linux-2.6/mm/slub.c	2011-05-31 14:27:12.002880106 -0500
@@ -1965,8 +1965,10 @@ static void *__slab_alloc(struct kmem_ca
 	if (!page)
 		goto new_slab;
 
-	if (unlikely(!node_match(c, node)))
-		goto another_slab;
+	if (unlikely(!node_match(c, node))) {
+		deactivate_slab(s, c);
+		goto new_slab;
+	}
 
 	stat(s, ALLOC_SLOWPATH);
 
@@ -1986,7 +1988,7 @@ load_freelist:
 	VM_BUG_ON(!page->frozen);
 
 	if (unlikely(!object))
-		goto another_slab;
+		goto new_slab;
 
 	stat(s, ALLOC_REFILL);
 
@@ -1995,9 +1997,6 @@ load_freelist:
 	local_irq_restore(flags);
 	return object;
 
-another_slab:
-	deactivate_slab(s, c);
-
 new_slab:
 	page = get_partial(s, gfpflags, node);
 	if (page) {