mm, oom: reduce dependency on tasklist_lock

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b78972e..77a29ce 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1521,11 +1521,8 @@ void __mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
        if (!chosen)
                return;
        points = chosen_points * 1000 / totalpages;
-       read_lock(&tasklist_lock);
        oom_kill_process(chosen, gfp_mask, order, points, totalpages, memcg,
                         NULL, "Memory cgroup out of memory");
-       read_unlock(&tasklist_lock);
-       put_task_struct(chosen);
 }
 
 static unsigned long mem_cgroup_reclaim(struct mem_cgroup *memcg,