From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Sun, 26 Apr 2009 12:14:52 +0000 (+0100)
Subject: [ARM] Convert pmd_page() to be highmem safe
X-Git-Tag: v2.6.31-rc1~344^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=924a158a12c7e732179dd85ddd20848039e7bd71;p=pandora-kernel.git

[ARM] Convert pmd_page() to be highmem safe

In the long run, we may want to place page tables in highmem.  However,
pmd_page() has traditionally been coded to convert the physical address
to a virtual one, which won't work with highmem pages.  Instead,
translate the physical address to a PFN, and then convert the PFN to a
struct page instead.

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