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-rw-r--r--mm/slab.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/mm/slab.c b/mm/slab.c
index e4ce73c32a7a..e4dc0896b891 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1050,10 +1050,10 @@ static void free_alien_cache(struct alien_cache **alc_ptr)
}
static void __drain_alien_cache(struct kmem_cache *cachep,
- struct array_cache *ac, int node)
+ struct array_cache *ac, int node,
+ struct list_head *list)
{
struct kmem_cache_node *n = get_node(cachep, node);
- LIST_HEAD(list);
if (ac->avail) {
spin_lock(&n->list_lock);
@@ -1065,10 +1065,9 @@ static void __drain_alien_cache(struct kmem_cache *cachep,
if (n->shared)
transfer_objects(n->shared, ac, ac->limit);
- free_block(cachep, ac->entry, ac->avail, node, &list);
+ free_block(cachep, ac->entry, ac->avail, node, list);
ac->avail = 0;
spin_unlock(&n->list_lock);
- slabs_destroy(cachep, &list);
}
}
@@ -1086,8 +1085,11 @@ static void reap_alien(struct kmem_cache *cachep, struct kmem_cache_node *n)
if (alc) {
ac = &alc->ac;
if (ac->avail && spin_trylock_irq(&alc->lock)) {
- __drain_alien_cache(cachep, ac, node);
+ LIST_HEAD(list);
+
+ __drain_alien_cache(cachep, ac, node, &list);
spin_unlock_irq(&alc->lock);
+ slabs_destroy(cachep, &list);
}
}
}
@@ -1104,10 +1106,13 @@ static void drain_alien_cache(struct kmem_cache *cachep,
for_each_online_node(i) {
alc = alien[i];
if (alc) {
+ LIST_HEAD(list);
+
ac = &alc->ac;
spin_lock_irqsave(&alc->lock, flags);
- __drain_alien_cache(cachep, ac, i);
+ __drain_alien_cache(cachep, ac, i, &list);
spin_unlock_irqrestore(&alc->lock, flags);
+ slabs_destroy(cachep, &list);
}
}
}
@@ -1138,10 +1143,11 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp)
spin_lock(&alien->lock);
if (unlikely(ac->avail == ac->limit)) {
STATS_INC_ACOVERFLOW(cachep);
- __drain_alien_cache(cachep, ac, nodeid);
+ __drain_alien_cache(cachep, ac, nodeid, &list);
}
ac_put_obj(cachep, ac, objp);
spin_unlock(&alien->lock);
+ slabs_destroy(cachep, &list);
} else {
n = get_node(cachep, nodeid);
spin_lock(&n->list_lock);