From: Andi Kleen <andi@firstfloor.org>
Subject: Re: Interaction between Xen and XFS: stray RW mappings
Date: Mon, 15 Oct 2007 14:54:07 +0200
Message-ID: <20071015125407.GA13329@one.firstfloor.org>
References: <470FA7C3.90404@goop.org> <200710160056.47458.nickpiggin@yahoo.com.au> <20071015110735.GA11748@one.firstfloor.org> <200710152128.10900.nickpiggin@yahoo.com.au>
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To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andi Kleen <andi@firstfloor.org>, David Chinner <dgc@sgi.com>, Jeremy Fitzhardinge <jeremy@goop.org>, xfs@oss.sgi.com, Xen-devel <xen-devel@lists.xensource.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Mark Williamson <mark.williamson@cl.cam.ac.uk>, Morten =?iso-8859-1?B?QsO4Z2Vza292?= <xen-users@morten.bogeskov.dk>, xfs-masters@oss.sgi.com
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> Hmm, OK. It looks like DRM vmallocs memory (which gives highmem).

I meant I'm not sure if it uses that memory uncached. I admit
not quite understanding that code. There used to be at least
one place where it set UC for an user mapping though.

-Andi