From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Fri, 11 Jul 2008 03:38:26 +0000 (-0700)
Subject: x86: introduce max_low_pfn_mapped for 64-bit
X-Git-Tag: v2.6.27-rc1~1106^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f361a450bf1ad14e2b003217dbf3958638631265;p=pandora-kernel.git

x86: introduce max_low_pfn_mapped for 64-bit

when more than 4g memory is installed, don't map the big hole below 4g.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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