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Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index f9ae4b4c36eb..f7b910fc14fb 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3361,12 +3361,6 @@ static int mem_cgroup_register_event(struct cgroup *cgrp, struct cftype *cft,
}
}
- /*
- * We need to increment refcnt to be sure that all thresholds
- * will be unregistered before calling __mem_cgroup_free()
- */
- mem_cgroup_get(memcg);
-
if (type == _MEM)
rcu_assign_pointer(memcg->thresholds, thresholds_new);
else
@@ -3460,9 +3454,6 @@ assign:
/* To be sure that nobody uses thresholds before freeing it */
synchronize_rcu();
- for (i = 0; i < thresholds->size - size; i++)
- mem_cgroup_put(memcg);
-
kfree(thresholds);
unlock:
mutex_unlock(&memcg->thresholds_lock);