Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 25c063fb authored by Joonsoo Kim's avatar Joonsoo Kim Committed by Linus Torvalds
Browse files

slab: move up code to get kmem_cache_node in free_block() 



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: default avatarJoonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: default avatarChristoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8a9c61d4

mm/slab.c

+1 −2
Original line number Original line Diff line number Diff line
@@ -3398,7 +3398,7 @@ static void free_block(struct kmem_cache *cachep, void **objpp, int nr_objects, 
		       int node)

		       int node)

{

{

	int i;

	int i;

	struct kmem_cache_node *n;

	struct kmem_cache_node *n = get_node(cachep, node);





	for (i = 0; i < nr_objects; i++) {

	for (i = 0; i < nr_objects; i++) {

		void *objp;

		void *objp;
@@ -3408,7 +3408,6 @@ static void free_block(struct kmem_cache *cachep, void **objpp, int nr_objects, 
		objp = objpp[i];

		objp = objpp[i];





		page = virt_to_head_page(objp);

		page = virt_to_head_page(objp);

		n = get_node(cachep, node);

		list_del(&page->lru);

		list_del(&page->lru);

		check_spinlock_acquired_node(cachep, node);

		check_spinlock_acquired_node(cachep, node);

		slab_put_obj(cachep, page, objp, node);

		slab_put_obj(cachep, page, objp, node);