From: Andi Kleen <ak@suse.de>
Date: Wed, 30 Jan 2008 12:33:52 +0000 (+0100)
Subject: x86: c_p_a() make it more robust against use of PAT bits
X-Git-Tag: v2.6.25-rc1~1143^2~112
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=895bdc29956e5c9e9e101b2b1c2f0ed34130f945;p=pandora-kernel.git

x86: c_p_a() make it more robust against use of PAT bits

Use the page table level instead of the PSE bit to check if the PTE
is for a 4K page or not. This makes the code more robust when the PAT
bit is changed because the PAT bit on 4K pages is in the same position
as the PSE bit.

Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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