From: Tejun Heo <tj@kernel.org>
To: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
linux-mm@kvack.org, Oleg Nesterov <oleg@redhat.com>,
Vladimir Davydov <vdavydov@parallels.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC 3/3] memcg: get rid of mm_struct::owner
Date: Fri, 29 May 2015 09:10:55 -0400 [thread overview]
Message-ID: <20150529131055.GH27479@htj.duckdns.org> (raw)
In-Reply-To: <20150529120838.GC22728@dhcp22.suse.cz>
On Fri, May 29, 2015 at 02:08:38PM +0200, Michal Hocko wrote:
> > I suppose that making mm always follow the threadgroup leader should
> > be fine, right?
>
> That is the plan.
Cool.
> > While this wouldn't make any difference in the unified hierarchy,
>
> Just to make sure I understand. "wouldn't make any difference" because
> the API is not backward compatible right?
Hmm... because it's always per-process. If any thread is going, the
whole process is going together.
> > I think this would make more sense for traditional hierarchies.
>
> Yes I believe so.
Thanks.
--
tejun
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next prev parent reply other threads:[~2015-05-29 13:11 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-26 11:50 [RFC 0/3] " Michal Hocko
2015-05-26 11:50 ` [RFC 1/3] memcg: restructure mem_cgroup_can_attach() Michal Hocko
2015-05-26 11:50 ` [RFC 2/3] memcg: Use mc.moving_task as the indication for charge moving Michal Hocko
2015-05-26 11:50 ` [RFC 3/3] memcg: get rid of mm_struct::owner Michal Hocko
2015-05-26 14:10 ` Johannes Weiner
2015-05-26 15:11 ` Michal Hocko
2015-05-26 17:20 ` Johannes Weiner
2015-05-27 14:48 ` Michal Hocko
2015-05-28 21:07 ` Tejun Heo
2015-05-29 12:08 ` Michal Hocko
2015-05-29 13:10 ` Tejun Heo [this message]
2015-05-29 13:45 ` Michal Hocko
2015-05-29 14:07 ` Tejun Heo
2015-05-29 14:57 ` Michal Hocko
2015-05-29 15:23 ` Tejun Heo
2015-05-29 15:26 ` Michal Hocko
2015-05-26 16:36 ` Oleg Nesterov
2015-05-26 17:22 ` Michal Hocko
2015-05-26 17:38 ` Oleg Nesterov
2015-05-27 9:43 ` Michal Hocko
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