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

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Message-Id: <20111021121759.429d8222.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 21 Oct 2011 12:17:59 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	Ying Han <yinghan@...gle.com>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>,
	Johannes Weiner <hannes@...xchg.org>,
	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 Oct 2011 19:45:55 -0700
Michal Hocko <mhocko@...e.cz> wrote:

> 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.
> 

I'd like to see it, too.

Thanks,
-Kame

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