From: Yinghai Lu <yinghai@kernel.org>
Date: Fri, 5 Jun 2009 02:14:22 +0000 (-0700)
Subject: x86: handle initrd that extends into unusable memory
X-Git-Tag: v2.6.31-rc1~373^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c5dd8f43367f4f266dd616f11658005bc2d20ef;p=pandora-kernel.git

x86: handle initrd that extends into unusable memory

On a system where system memory (according e820) is not covered by
mtrr, mtrr_trim_memory converts a portion of memory to reserved, but
bootloader has already put the initrd in that range.

Thus, we need to have 64bit to use relocate_initrd too.

[ Impact: fix using initrd when mtrr_trim_memory happen ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: stable@kernel.org
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