Re: [PATCH v2 6/6] memcg: init/free swap cgroup strucutres upon create/free child memcg

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On 01/28/2013 02:54 PM, Jeff Liu wrote:
>  static void free_rcu(struct rcu_head *rcu_head)
> @@ -6116,6 +6117,8 @@ mem_cgroup_css_alloc(struct cgroup *cont)
>  			INIT_WORK(&stock->work, drain_local_stock);
>  		}
>  	} else {
> +		if (swap_cgroup_init())
> +			goto free_out;
>  		parent = mem_cgroup_from_cont(cont->parent);
>  		memcg->use_hierarchy = parent->use_hierarchy;
>  		memcg->oom_kill_disable = parent->oom_kill_disable;
Be aware that this will conflict with latest -mm where those were moved
to css_online().


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