diff options
| -rw-r--r-- | mm/zswap.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/mm/zswap.c b/mm/zswap.c index de0f119b1780..275b22cc8df4 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -117,7 +117,7 @@ struct zswap_pool { struct crypto_comp * __percpu *tfm; struct kref kref; struct list_head list; - struct rcu_head rcu_head; + struct work_struct work; struct notifier_block notifier; char tfm_name[CRYPTO_MAX_ALG_NAME]; }; @@ -658,9 +658,11 @@ static int __must_check zswap_pool_get(struct zswap_pool *pool) return kref_get_unless_zero(&pool->kref); } -static void __zswap_pool_release(struct rcu_head *head) +static void __zswap_pool_release(struct work_struct *work) { - struct zswap_pool *pool = container_of(head, typeof(*pool), rcu_head); + struct zswap_pool *pool = container_of(work, typeof(*pool), work); + + synchronize_rcu(); /* nobody should have been able to get a kref... */ WARN_ON(kref_get_unless_zero(&pool->kref)); @@ -680,7 +682,9 @@ static void __zswap_pool_empty(struct kref *kref) WARN_ON(pool == zswap_pool_current()); list_del_rcu(&pool->list); - call_rcu(&pool->rcu_head, __zswap_pool_release); + + INIT_WORK(&pool->work, __zswap_pool_release); + schedule_work(&pool->work); spin_unlock(&zswap_pools_lock); } |