drm: fixup drm bufs being just under the EOM
authorDave Airlie <airlied@starflyer.(none)>
Wed, 11 Jan 2006 09:48:09 +0000 (20:48 +1100)
committerDave Airlie <airlied@linux.ie>
Wed, 11 Jan 2006 09:48:09 +0000 (20:48 +1100)
If the mapping was just under the end of memory it would fail.
Lets DRM start on my PCI card.

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

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