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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2013-10-24 10:07:41 +0900
committerPekka Enberg <penberg@iki.fi>2013-10-24 20:17:29 +0300
commit07d417a1c6f1e386a2276b0cae8ae1d14b8a32cc (patch)
tree76c1f4aa71e875019523c95c23f594819360c3cb /mm
parent1ea991b00c26e3a275e2d2e110e5221211fc45b6 (diff)
downloadop-kernel-dev-07d417a1c6f1e386a2276b0cae8ae1d14b8a32cc.zip
op-kernel-dev-07d417a1c6f1e386a2276b0cae8ae1d14b8a32cc.tar.gz
slab: remove cachep in struct slab_rcu
We can get cachep using page in struct slab_rcu, so remove it. Acked-by: Andi Kleen <ak@linux.intel.com> Acked-by: Christoph Lameter <cl@linux.com> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Pekka Enberg <penberg@iki.fi>
Diffstat (limited to 'mm')
-rw-r--r--mm/slab.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 71ba8f5..7e1aabe 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -204,7 +204,6 @@ typedef unsigned int kmem_bufctl_t;
*/
struct slab_rcu {
struct rcu_head head;
- struct kmem_cache *cachep;
struct page *page;
};
@@ -1824,7 +1823,7 @@ static void kmem_freepages(struct kmem_cache *cachep, struct page *page)
static void kmem_rcu_free(struct rcu_head *head)
{
struct slab_rcu *slab_rcu = (struct slab_rcu *)head;
- struct kmem_cache *cachep = slab_rcu->cachep;
+ struct kmem_cache *cachep = slab_rcu->page->slab_cache;
kmem_freepages(cachep, slab_rcu->page);
if (OFF_SLAB(cachep))
@@ -2052,7 +2051,6 @@ static void slab_destroy(struct kmem_cache *cachep, struct slab *slabp)
struct slab_rcu *slab_rcu;
slab_rcu = (struct slab_rcu *)slabp;
- slab_rcu->cachep = cachep;
slab_rcu->page = page;
call_rcu(&slab_rcu->head, kmem_rcu_free);
} else {
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