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Diffstat (limited to 'mm')
-rw-r--r--mm/slub.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 35f351f26193..0d0901ebaea2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1818,6 +1818,11 @@ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
if (unlikely(!node_match(c, node)))
goto another_slab;
+ /* must check again c->freelist in case of cpu migration or IRQ */
+ object = c->freelist;
+ if (object)
+ goto update_freelist;
+
stat(s, ALLOC_REFILL);
load_freelist:
@@ -1827,6 +1832,7 @@ load_freelist:
if (kmem_cache_debug(s))
goto debug;
+update_freelist:
c->freelist = get_freepointer(s, object);
page->inuse = page->objects;
page->freelist = NULL;