From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Tue, 12 Apr 2011 11:19:52 +0000 (+0100)
Subject: xen: do not create the extra e820 region at an addr lower than 4G
X-Git-Tag: v2.6.39-rc5~36^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24bdb0b62cc82120924762ae6bc85afc8c3f2b26;p=pandora-kernel.git

xen: do not create the extra e820 region at an addr lower than 4G

Do not add the extra e820 region at a physical address lower than 4G
because it breaks e820_end_of_low_ram_pfn().

It is OK for us to move the xen_extra_mem_start up and down because this
is the index of the memory that can be ballooned in/out - it is memory
not available to the kernel during bootup.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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