The freeing action is basically the same in all slab allocators. Move to the common kmem_cache_destroy() function. Reviewed-by: Joonsoo Kim <js1304@xxxxxxxxx> Signed-off-by: Christoph Lameter <cl@xxxxxxxxx> --- mm/slab.c | 1 - mm/slab_common.c | 1 + mm/slob.c | 2 -- mm/slub.c | 1 - 4 files changed, 1 insertion(+), 4 deletions(-) Index: linux-2.6/mm/slab_common.c =================================================================== --- linux-2.6.orig/mm/slab_common.c 2012-08-01 13:12:30.000000000 -0500 +++ linux-2.6/mm/slab_common.c 2012-08-01 13:12:36.836540373 -0500 @@ -135,6 +135,7 @@ rcu_barrier(); __kmem_cache_destroy(s); + kmem_cache_free(kmem_cache, s); } else { list_add(&s->list, &slab_caches); printk(KERN_ERR "kmem_cache_destroy %s: Slab cache still has objects\n", Index: linux-2.6/mm/slob.c =================================================================== --- linux-2.6.orig/mm/slob.c 2012-08-01 13:12:30.000000000 -0500 +++ linux-2.6/mm/slob.c 2012-08-01 13:12:36.836540373 -0500 @@ -540,8 +540,6 @@ void __kmem_cache_destroy(struct kmem_cache *c) { - kmemleak_free(c); - slob_free(c, sizeof(struct kmem_cache)); } void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node) Index: linux-2.6/mm/slab.c =================================================================== --- linux-2.6.orig/mm/slab.c 2012-08-01 13:12:30.480428413 -0500 +++ linux-2.6/mm/slab.c 2012-08-01 13:12:36.836540373 -0500 @@ -2222,7 +2222,6 @@ kfree(l3); } } - kmem_cache_free(kmem_cache, cachep); } Index: linux-2.6/mm/slub.c =================================================================== --- linux-2.6.orig/mm/slub.c 2012-08-01 13:12:30.000000000 -0500 +++ linux-2.6/mm/slub.c 2012-08-01 13:13:03.605011880 -0500 @@ -213,7 +213,6 @@ static inline void sysfs_slab_remove(struct kmem_cache *s) { kfree(s->name); - kmem_cache_free(kmem_cache, s); } #endif @@ -5325,7 +5324,6 @@ kobject_del(&s->kobj); kobject_put(&s->kobj); kfree(s->name); - kmem_cache_free(kmem_cache, s); } /* -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>