From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Fri, 18 Dec 2009 16:43:57 +0000 (+0000)
Subject: ARM: make_coherent(): fix problems with highpte, part 2
X-Git-Tag: v2.6.34-rc1~241^2~4^9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae1402022edbeef3991f1e4bae8fa99558be291b;p=pandora-kernel.git

ARM: make_coherent(): fix problems with highpte, part 2

update_mmu_cache() is called with the page table for the faulted-in
page still mapped.  We need to modify the PTE for this page to ensure
coherency with other shared mappings when multiple shared mappings
exist within a MM.

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