linux-kernel - Re: Interaction between Xen and XFS: stray RW mappings

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Message-ID: <20071015125407.GA13329@one.firstfloor.org>
Date:	Mon, 15 Oct 2007 14:54:07 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Andi Kleen <andi@...stfloor.org>, David Chinner <dgc@....com>,
	Jeremy Fitzhardinge <jeremy@...p.org>, xfs@....sgi.com,
	Xen-devel <xen-devel@...ts.xensource.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Mark Williamson <mark.williamson@...cam.ac.uk>,
	Morten BÃ¸geskov 
	<xen-users@...ten.bogeskov.dk>, xfs-masters@....sgi.com
Subject: Re: Interaction between Xen and XFS: stray RW mappings

> 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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