From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 8 Sep 2009 07:23:08 +0000 (+0900)
Subject: sh: Kill off dcache writeback from copy_page().
X-Git-Tag: v2.6.32-rc1~640^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2494b9b5fb702becaf8d8e3138f7a1a0d3c537e;p=pandora-kernel.git

sh: Kill off dcache writeback from copy_page().

Now that the cache purging is handled manually by all copy_page()
callers, we can kill off copy_page()'s on writeback. This optimizes the
non-aliasing case.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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