drm: bring bufs code from git tree.
authorDave Airlie <airlied@linux.ie>
Sat, 10 Feb 2007 01:07:47 +0000 (12:07 +1100)
committerDave Airlie <airlied@linux.ie>
Sun, 11 Mar 2007 01:07:17 +0000 (12:07 +1100)
This checks the AGP mappings are in a valid place and also fixes the size
check in the vm..

Signed-off-by: Dave Airlie <airlied@linux.ie>

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