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To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
       David Howells <dhowells@redhat.com>,
       Christoph Lameter <christoph@lameter.com>,
       Martin Bligh <mbligh@google.com>, Nick Piggin <npiggin@suse.de>,
       Linus Torvalds <torvalds@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/6] mm: tracking shared dirty pages
References: <20060613112120.27913.71986.sendpatchset@lappy>
	<20060613112131.27913.43169.sendpatchset@lappy>
From: Andi Kleen <ak@suse.de>
Date: 13 Jun 2006 14:03:48 +0200
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Peter Zijlstra <a.p.zijlstra@chello.nl> writes:

> From: Peter Zijlstra <a.p.zijlstra@chello.nl>
> 
> People expressed the need to track dirty pages in shared mappings.

Why only shared mappings? Anonymous pages can be dirty too
and would need to be written to swap then before making progress.

-Andi