linux-kernel - Re: [PATCH] badness() dramatically overcounts memory

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Message-Id: <20080206105041.2717.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Wed, 06 Feb 2008 10:54:11 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	kosaki.motohiro@...fujitsu.com, Jeff Davis <linux@...avis.com>,
	balbir@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Andrea Arcangeli <andrea@...ranet.com>
Subject: Re: [PATCH] badness() dramatically overcounts memory

Hi

> > > The interesting thing is the use of total_vm and not the RSS which is used as
> > > the basis by the OOM killer. I need to read/understand the code a bit more.
> > 
> > RSS makes more sense to me as well.
> 
> Andrea Arcangeli has patches pending which change this to the RSS.  
> Specifically:
> 
> 	http://marc.info/?l=linux-mm&m=119977937126925

I agreed with you that RSS is better :)



but..
on many node numa, per zone rss is more better..


- kosaki


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