linux-kernel - Re: [PATCH 03/12] mm: Share the anon_vma ref counts between KSM and page migration

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Message-ID: <4B7F29CD.1050703@redhat.com>
Date:	Fri, 19 Feb 2010 19:16:13 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Mel Gorman <mel@....ul.ie>
CC:	Andrea Arcangeli <aarcange@...hat.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Adam Litke <agl@...ibm.com>, Avi Kivity <avi@...hat.com>,
	David Rientjes <rientjes@...gle.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 03/12] mm: Share the anon_vma ref counts between KSM	and
 page migration

On 02/19/2010 04:58 PM, Mel Gorman wrote:

> external_refcount is about as good as I can think of to explain what's
> going on :/

Sounds "good" to me.  Much better than giving the wrong
impression that this is the only refcount for the anon_vma.

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