From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 25 Oct 2009 10:23:04 +0000 (+0000)
Subject: ARM: ZERO_PAGE: Avoid flush_dcache_page() for zero page
X-Git-Tag: v2.6.33-rc1~384^2~5^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=421fe93cc4b06b2f5e875cbe0f692800d4862ee5;p=pandora-kernel.git

ARM: ZERO_PAGE: Avoid flush_dcache_page() for zero page

The zero page is read-only, and has its cache state cleared during
boot.  No further maintanence for this page is required.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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