linux-kernel - Re: [PATCH 0/4] Memory controller soft limit patches (v3)

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Message-Id: <20090302161708.beae2dd6.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Mon, 2 Mar 2009 16:17:08 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	balbir@...ux.vnet.ibm.com, linux-mm@...ck.org,
	Sudhir Kumar <skumar@...ux.vnet.ibm.com>,
	YAMAMOTO Takashi <yamamoto@...inux.co.jp>,
	Bharata B Rao <bharata@...ibm.com>,
	Paul Menage <menage@...gle.com>, lizf@...fujitsu.com,
	linux-kernel@...r.kernel.org,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	David Rientjes <rientjes@...gle.com>,
	Pavel Emelianov <xemul@...nvz.org>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Rik van Riel <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 0/4] Memory controller soft limit patches (v3)

On Mon, 2 Mar 2009 16:06:02 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
>  Considering above 2, it's not bad to find victim by proper logic
>  from balance_pgdat() by using mem_cgroup_select_victim().
>  like this:
> ==
>  struct mem_cgroup *select_vicitim_at_soft_limit_via_balance_pgdat(int nid, int zid)
>  {
>      while (?) {
>         vitcim = mem_cgroup_select_victim(init_mem_cgroup);  #need some modification.

Another choice is that when a user set soft-limit via interface, add it to
our own private list and scan it here. (of course, remove at rmdir.)

Thanks,
-Kame

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