From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 8 Jul 2008 08:43:27 +0000 (-0700)
Subject: x86: not overmap more than the end of RAM in init_memory_mapping - 64bit
X-Git-Tag: v2.6.27-rc1~1106^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2e6d65bcea2672788f9bb58ce7606c41388387b;p=pandora-kernel.git

x86: not overmap more than the end of RAM in init_memory_mapping - 64bit

handle head and tail that are not aligned to big pages (2MB/1GB boundary).

with this patch, on system that support gbpages, change:

  last_map_addr: 1080000000 end: 1078000000

to:

  last_map_addr: 1078000000 end: 1078000000

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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