linux-kernel - Re: [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v4.2

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Date:	Tue, 15 Dec 2009 13:35:46 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with
 nodemask v4.2

On Mon, 14 Dec 2009 20:30:37 -0800 (PST)
David Rientjes <rientjes@...gle.com> wrote:
> >     2 ideas which I can think of now are..
> >     1) add sysctl_oom_calc_on_committed_memory 
> >        If this is set, use vm-size instead of rss.
> > 
> 
> I would agree only if the oom killer used total_vm as a the default, it is 
> long-standing and allows for the aforementioned capability that you lose 
> with rss.  I have no problem with the added sysctl to use rss as the 
> baseline when enabled.
> 
I'll prepare a patch for adds

  sysctl_oom_kill_based_on_rss (default=0)

ok ?

Thanks,
-Kame

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