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);