We can get cachep using page in struct slab_rcu, so remove it. Acked-by: Christoph Lameter <c...@linux.com> Signed-off-by: Joonsoo Kim <iamjoonsoo....@lge.com>
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 { -- 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/