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

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Message-ID: <CAKTCnz=0VcM9zi2Apv0YOrYPRqe6Cmm_QDcBj5t2nMo1=f9+Og@mail.gmail.com>
Date:	Fri, 21 Oct 2011 21:41:43 +0530
From:	Balbir Singh <bsingharora@...il.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Michal Hocko <mhocko@...e.cz>, 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>, Ying Han <yinghan@...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

> But I personally think we should make softlimit better rather than
> adding new interface. If this feature can be archieved when setting
> softlimit=UNLIMITED, it's simple. And Johannes' work will make this
> easy to be implemented.
> (total rewrite of softlimit should be required...I think.)
>

Yeah.. I'd be open to a rewrite if we get the specification/design
right. I did soft limits in a few months and tested it on workloads
till I was satisfied it worked.

Balbir Singh
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