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-rw-r--r--mm/slab.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/mm/slab.c b/mm/slab.c
index a9ef77d..e0819fa 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1889,21 +1889,10 @@ static void slab_destroy(struct kmem_cache *cachep, struct page *page)
freelist = page->freelist;
slab_destroy_debugcheck(cachep, page);
- if (unlikely(cachep->flags & SLAB_DESTROY_BY_RCU)) {
- struct rcu_head *head;
-
- /*
- * RCU free overloads the RCU head over the LRU.
- * slab_page has been overloeaded over the LRU,
- * however it is not used from now on so that
- * we can use it safely.
- */
- head = (void *)&page->rcu_head;
- call_rcu(head, kmem_rcu_free);
-
- } else {
+ if (unlikely(cachep->flags & SLAB_DESTROY_BY_RCU))
+ call_rcu(&page->rcu_head, kmem_rcu_free);
+ else
kmem_freepages(cachep, page);
- }
/*
* From now on, we don't use freelist
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