From: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Date: Sun, 21 Mar 2010 21:52:23 +0000 (+0100)
Subject: libata: don't flush dcache on slab pages
X-Git-Tag: v2.6.35-rc1~481^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3842e835490cdf17013b30a788f6311bdcfd0571;p=pandora-kernel.git

libata: don't flush dcache on slab pages

page_mapping() check this via VM_BUG_ON(PageSlab(page)) so we bug here
with the according debuging turned on.

Future TODO: replace this with a flush_dcache_page_for_pio() API

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Cc: stable@kernel.org
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