From: Anton Blanchard <anton@samba.org>
Date: Tue, 12 Jan 2010 00:50:14 +0000 (+0000)
Subject: powerpc: Mark some variables in the page fault path __read_mostly
X-Git-Tag: v2.6.34-rc1~271^2~71
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5be3492f972b73051ead7ecbac6fb9efd1e8e0ec;p=pandora-kernel.git

powerpc: Mark some variables in the page fault path __read_mostly

Using perf to trace L1 dcache misses and dumping data addresses I found a few
variables taking a lot of misses. Since they are almost never written, they
should go into the __read_mostly section.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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