linux-kernel - Re: [RFD] Isolated memory cgroups again

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Message-ID: <20111021024554.GC2589@tiehlicka.suse.cz>
Date:	Thu, 20 Oct 2011 19:45:55 -0700
From:	Michal Hocko <mhocko@...e.cz>
To:	Ying Han <yinghan@...gle.com>
Cc:	linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>,
	Johannes Weiner <hannes@...xchg.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	Hugh Dickins <hughd@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Glauber Costa <glommer@...allels.com>,
	Kir Kolyshkin <kir@...allels.com>,
	Pavel Emelianov <xemul@...allels.com>,
	GregThelen <gthelen@...gle.com>,
	"pjt@...gle.com" <pjt@...gle.com>, Tim Hockin <thockin@...gle.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Paul Menage <paul@...lmenage.org>,
	James Bottomley <James.Bottomley@...senpartnership.com>
Subject: Re: [RFD] Isolated memory cgroups again

On Thu 20-10-11 16:41:27, Ying Han wrote:
[...]
> Hi Michal:

Hi,

> 
> I didn't read through the patch itself but only the description. If we
> wanna protect a memcg being reclaimed from under global memory
> pressure, I think we can approach it by making change on soft_limit
> reclaim.
> 
> I have a soft_limit change built on top of Johannes's patchset, which
> does basically soft_limit aware reclaim under global memory pressure.

Is there any link to the patch(es)? I would be interested to look at
it before we discuss it.

[...]

Thanks
-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic
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