memcg: fix wake up in oom wait queue
[sfrench/cifs-2.6.git] / mm / memcontrol.c
index c6ece0a5759595bf1ddbbe4a95e4b76713ea4b06..20a8193a7af8ed275667e682fd22101a0e40bb93 100644 (file)
@@ -1370,7 +1370,7 @@ static void memcg_wakeup_oom(struct mem_cgroup *mem)
 
 static void memcg_oom_recover(struct mem_cgroup *mem)
 {
-       if (mem->oom_kill_disable && atomic_read(&mem->oom_lock))
+       if (atomic_read(&mem->oom_lock))
                memcg_wakeup_oom(mem);
 }
 
@@ -3781,6 +3781,8 @@ static int mem_cgroup_oom_control_write(struct cgroup *cgrp,
                return -EINVAL;
        }
        mem->oom_kill_disable = val;
+       if (!val)
+               memcg_oom_recover(mem);
        cgroup_unlock();
        return 0;
 }