diff options
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 55c010a58535..6a921890739f 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -430,6 +430,8 @@ void memcg_set_shrinker_bit(struct mem_cgroup *memcg, int nid, int shrinker_id) rcu_read_lock(); map = rcu_dereference(memcg->nodeinfo[nid]->shrinker_map); + /* Pairs with smp mb in shrink_slab() */ + smp_mb__before_atomic(); set_bit(shrinker_id, map->map); rcu_read_unlock(); } |