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

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Date:	Tue, 5 Feb 2008 15:09:16 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Jeff Davis <linux@...avis.com>
cc:	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

On Tue, 5 Feb 2008, Jeff Davis wrote:

> > 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.
> 
> To me, it makes no sense to count shared memory, because killing a
> process doesn't free the shared memory.
> 

Andrea Arcangeli has patches pending which change this to the RSS.  
Specifically:

	http://marc.info/?l=linux-mm&m=119977937126925
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