linux-kernel - Re: [PATCH v2 3/5] cgroup, memcg: move cgroup

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Date:	Tue, 6 Aug 2013 10:02:36 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Tejun Heo <tj@...nel.org>
CC:	<hannes@...xchg.org>, <mhocko@...e.cz>, <bsingharora@...il.com>,
	<kamezawa.hiroyu@...fujitsu.com>, <cgroups@...r.kernel.org>,
	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/5] cgroup, memcg: move cgroup_event implementation
 to memcg

>  static struct cftype mem_cgroup_files[] = {
>  	{
>  		.name = "usage_in_bytes",
> @@ -5973,6 +6192,12 @@ static struct cftype mem_cgroup_files[] = {
>  		.read_u64 = mem_cgroup_hierarchy_read,
>  	},
>  	{
> +		.name = "cgroup.event_control",
> +		.write_string = cgroup_write_event_control,
> +		.flags = CFTYPE_NO_PREFIX,
> +		.mode = S_IWUGO,
> +	},

One of the misdesign of cgroup eventfd is, cgroup.event_control is
totally redunant...

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