From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 4 Feb 2008 15:48:07 +0000 (+0100)
Subject: x86: cpa, fix lookup_address
X-Git-Tag: v2.6.25-rc1~1057^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a14aefc1d28c6037122965ee8c10d92a970ade0;p=pandora-kernel.git

x86: cpa, fix lookup_address

lookup_address() returns a wrong level and a wrong pointer to a non
existing pte, when pmd or pud entries are marked !present. This
happens for example due to boot time mapping of GART into the low
memory space.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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