From: Andi Kleen <andi@firstfloor.org>
Date: Wed, 12 Mar 2008 02:53:27 +0000 (+0100)
Subject: x86: implement true end_pfn_mapped for 32bit
X-Git-Tag: v2.6.26-rc1~1154^2~117
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d1116a92d709c22e7db910724c9fcd2001b0499;p=pandora-kernel.git

x86: implement true end_pfn_mapped for 32bit

Even on 32bit 2MB pages can map more memory than is in the true
max_low_pfn if end_pfn is not highmem and not aligned to 2MB.
Add a end_pfn_map similar to x86-64 that accounts for this
fact. This is important for code that really needs to know about
all mapping aliases.

Signed-off-by: Andi Kleen <ak@suse.de>
Cc: andreas.herrmann3@amd.com
Cc: mingo@elte.hu
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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