Fix kmem_cache_free performance regression in slab

[pandora-kernel.git] / mm / slab.c

diff --git a/mm/slab.c b/mm/slab.c
index c31cd36..202465a 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2881,6 +2881,8 @@ static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp,
        unsigned int objnr;
        struct slab *slabp;
 
+       BUG_ON(virt_to_cache(objp) != cachep);
+
        objp -= obj_offset(cachep);
        kfree_debugcheck(objp);
        page = virt_to_head_page(objp);
@@ -3759,8 +3761,6 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp)
 {
        unsigned long flags;
 
-       BUG_ON(virt_to_cache(objp) != cachep);
-
        local_irq_save(flags);
        debug_check_no_locks_freed(objp, obj_size(cachep));
        __cache_free(cachep, objp);