From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 18 Feb 2011 16:59:15 +0000 (+0100)
Subject: drm: mm: add helper to unwind scan state
X-Git-Tag: v2.6.39-rc1~458^2~22^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae0cec2880a4dc6d90c7f8392bdc6705988389ca;p=pandora-kernel.git

drm: mm: add helper to unwind scan state

With the switch to implicit free space accounting one pointer
got unused when scanning. Use it to create a single-linked list
to ensure correct unwinding of the scan state.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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