Date: Tue, 14 May 2013 16:44:27 +0200
From: Michal Hocko <mhocko@suse.cz>
To: Andrey Vagin <avagin@openvz.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org,
        Konstantin Khlebnikov <khlebnikov@openvz.org>,
        Glauber Costa <glommer@parallels.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Balbir Singh <bsingharora@gmail.com>,
        KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH] memcg: don't initialize kmem-cache destroying work for
 root caches
Message-ID: <20130514144427.GS5198@dhcp22.suse.cz>
References: <1368535118-27369-1-git-send-email-avagin@openvz.org>
 <20130514144031.GR5198@dhcp22.suse.cz>
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On Tue 14-05-13 16:40:31, Michal Hocko wrote:
> On Tue 14-05-13 16:38:38, Andrey Vagin wrote:
> > struct memcg_cache_params has a union. Different parts of this union are
> > used for root and non-root caches. A part with destroying work is used only
> > for non-root caches.
> 
> but memcg_update_cache_size is called only for !root caches AFAICS
> (check memcg_update_all_caches)

Ohh, I am blind. memcg_update_all_caches skips all !root caches.
Then the patch looks correct. If Glauber has nothing against then thise
should be marked for stable (3.9)
-- 
Michal Hocko
SUSE Labs
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