agp: tidy up handling of scratch pages w.r.t. DMA API
authorDavid Woodhouse <David.Woodhouse@intel.com>
Mon, 27 Jul 2009 15:44:32 +0000 (16:44 +0100)
committerDavid Woodhouse <David.Woodhouse@intel.com>
Mon, 3 Aug 2009 08:04:52 +0000 (09:04 +0100)
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

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