From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 2 Jul 2010 00:04:42 +0000 (+1000)
Subject: drm/i915: fix hibernation since i915 self-reclaim fixes
X-Git-Tag: v2.6.35-rc4~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=985b823b919273fe1327d56d2196b4f92e5d0fae;p=pandora-kernel.git

drm/i915: fix hibernation since i915 self-reclaim fixes

Since commit 4bdadb9785696439c6e2b3efe34aa76df1149c83 ("drm/i915:
Selectively enable self-reclaim"), we've been passing GFP_MOVABLE to the
i915 page allocator where we weren't before due to some over-eager
removal of the page mapping gfp_flags games the code used to play.

This caused hibernate on Intel hardware to result in a lot of memory
corruptions on resume.  See for example

  http://bugzilla.kernel.org/show_bug.cgi?id=13811

Reported-by: Evengi Golov (in bugzilla)
Signed-off-by: Dave Airlie <airlied@redhat.com>
Tested-by: M. Vefa Bicakci <bicave@superonline.com>
Cc: stable@kernel.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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