linux-kernel - Re: [rfc patch 0/6] mm: memcg naturalization

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Message-ID: <20110516103034.GI22412@balbir.in.ibm.com>
Date:	Mon, 16 May 2011 16:00:34 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	Ying Han <yinghan@...gle.com>, Michal Hocko <mhocko@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Minchan Kim <minchan.kim@...il.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [rfc patch 0/6] mm: memcg naturalization

* Johannes Weiner <hannes@...xchg.org> [2011-05-12 16:53:52]:

> Hi!
> 
> Here is a patch series that is a result of the memcg discussions on
> LSF (memcg-aware global reclaim, global lru removal, struct
> page_cgroup reduction, soft limit implementation) and the recent
> feature discussions on linux-mm.
> 
> The long-term idea is to have memcgs no longer bolted to the side of
> the mm code, but integrate it as much as possible such that there is a
> native understanding of containers, and that the traditional !memcg
> setup is just a singular group.  This series is an approach in that
> direction.
> 
> It is a rather early snapshot, WIP, barely tested etc., but I wanted
> to get your opinions before further pursuing it.  It is also part of
> my counter-argument to the proposals of adding memcg-reclaim-related
> user interfaces at this point in time, so I wanted to push this out
> the door before things are merged into .40.
> 
> The patches are quite big, I am still looking for things to factor and
> split out, sorry for this.  Documentation is on its way as well ;)
> 
> #1 and #2 are boring preparational work.  #3 makes traditional reclaim
> in vmscan.c memcg-aware, which is a prerequisite for both removal of
> the global lru in #5 and the way I reimplemented soft limit reclaim in
> #6.

A large part of the acceptance would be based on what the test results
for common mm benchmarks show.

-- 
	Three Cheers,
	Balbir
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