From: Jerome Glisse <jglisse@redhat.com>
Date: Wed, 9 Nov 2011 22:15:26 +0000 (-0500)
Subject: drm/ttm: isolate dma data from ttm_tt V4
X-Git-Tag: v3.3-rc1~121^2~88^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e7e70522d760c4ccd4cd370ebfa0ba69e006c6e;p=pandora-kernel.git

drm/ttm: isolate dma data from ttm_tt V4

Move dma data to a superset ttm_dma_tt structure which herit
from ttm_tt. This allow driver that don't use dma functionalities
to not have to waste memory for it.

V2 Rebase on top of no memory account changes (where/when is my
   delorean when i need it ?)
V3 Make sure page list is initialized empty
V4 typo/syntax fixes

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
---

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