From: Yinghai Lu <yhlu.kernel.send@gmail.com>
Date: Fri, 21 Mar 2008 06:58:33 +0000 (-0700)
Subject: x86: early memtest to find bad ram
X-Git-Tag: v2.6.26-rc1~1154^2~297
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=272b9cad6e7a2f61b13cfcd7dde0010e02e9376e;p=pandora-kernel.git

x86: early memtest to find bad ram

do simple memtest after init_memory_mapping

use find_e820_area_size to find all ram range that is not reserved.

and do some simple bits test to find some bad ram.

if find some bad ram, use reserve_early to exclude that range.

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