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Date:	Thu, 01 Feb 2007 17:40:22 -0500
From:	Mark Groves <>
Subject: Re: [PATCH] mm: fix page_mkclean_one


I have been been seeing a problem when using sendfile repeatedly on an
SMP server, which I believe is related to the problem that was
discovered recently with marking dirty pages. The bug, as well as a test
script, is listed at
Currently, we're experiencing errors where part of a previous packet is
being sent out rather than the current packet.

I have applied the patch Linus posted to a 2.6.19 kernel but am still
getting the problem. So I am wondering if there are any other places in
the kernel which mark pages as dirty which might require a similar


Mark Groves
University of Waterloo
Waterloo, Ontario, Canada

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