node isn't changed, so we don't need to retreive this structure everytime we move the object. Maybe compiler do this optimization, but making it explicitly is better.
Signed-off-by: Joonsoo Kim <iamjoonsoo....@lge.com> diff --git a/mm/slab.c b/mm/slab.c index 6d17cad..53d1a36 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3361,6 +3361,7 @@ static void free_block(struct kmem_cache *cachep, void **objpp, int nr_objects, int i; struct kmem_cache_node *n; + n = cachep->node[node]; for (i = 0; i < nr_objects; i++) { void *objp; struct page *page; @@ -3368,7 +3369,6 @@ static void free_block(struct kmem_cache *cachep, void **objpp, int nr_objects, objp = clear_obj_pfmemalloc(objpp[i]); page = virt_to_head_page(objp); - n = cachep->node[node]; list_del(&page->lru); check_spinlock_acquired_node(cachep, node); slab_put_obj(cachep, page, objp, node); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/