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[Xen-devel] Re: Interaction between Xen and XFS: stray RW mappings

To: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Subject: [Xen-devel] Re: Interaction between Xen and XFS: stray RW mappings
From: Andi Kleen <andi@xxxxxxxxxxxxxx>
Date: Mon, 15 Oct 2007 14:54:07 +0200
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, David Chinner <dgc@xxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Morten Bøgeskov <xen-users@xxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, xfs-masters@xxxxxxxxxxx, Andi Kleen <andi@xxxxxxxxxxxxxx>, Mark Williamson <mark.williamson@xxxxxxxxxxxx>
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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

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