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Date: Wed, 19 Dec 2007 23:07:06 -0800 (PST)
From: Christoph Lameter <clameter@sgi.com>
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To: Rik van Riel <riel@redhat.com>
cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, lee.shermerhorn@hp.com,
       Lee Schermerhorn <lee.schermerhorn@hp.com>
Subject: Re: [patch 01/20] convert anon_vma list lock a read/write lock
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Reviewed-by: Christoph Lameter <clameter@sgi.com>

Note that this is a nice improvement also to page migration.

Another solution may be to use a single linked list and RCU.