From: Li Zefan <lizefan@huawei.com>
Subject: Re: [PATCHSET cgroup/for-3.12] cgroup: make cgroup_event specific
 to memcg
Date: Thu, 8 Aug 2013 10:53:16 +0800
Message-ID: <5203081C.8050403@huawei.com>
References: <1375632446-2581-1-git-send-email-tj@kernel.org> <20130805160107.GM10146@dhcp22.suse.cz> <20130805162958.GF19631@mtj.dyndns.org> <20130805191641.GA24003@dhcp22.suse.cz> <20130805194431.GD23751@mtj.dyndns.org> <20130806155804.GC31138@dhcp22.suse.cz> <20130806161509.GB10779@mtj.dyndns.org> <20130807121836.GF8184@dhcp22.suse.cz> <20130807124321.GA27006@htj.dyndns.org> <20130807132613.GH8184@dhcp22.suse.cz> <20130807133645.GE27006@htj.dyndns.org>
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To: Tejun Heo <tj@kernel.org>
Cc: Michal Hocko <mhocko@suse.cz>, hannes@cmpxchg.org, bsingharora@gmail.com, kamezawa.hiroyu@jp.fujitsu.com, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org

>> If somebody needs a notification interface (and there is no one available
>> right now) then you cannot prevent from such a pointless work anyway...
> 
> I'm gonna add one for freezer state transitions.  It'll be simple
> "this file changed" thing and will probably apply that to at least oom
> and vmpressure.  I'm relatively confident that it's gonna be pretty
> simple and that's gonna be the cgroup event mechanism.
> 

I would like to see this happen. I have a feeling that we're deprecating
features a bit aggressively without providing alternatives.

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