From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vasiliy G Tolstov <v.tolstov@selfip.ru>
Subject: Re: linux kernel 2.6.37
Date: Tue, 25 Jan 2011 20:35:29 +0300
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Don Brearley <donbrearley@hibbing.edu>, xen-devel@lists.xensource.com
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On Tue, 2011-01-25 at 09:45 -0500, Konrad Rzeszutek Wilk wrote:
>  I think I know why this is happening = the
> kernel allocates pagetables as if you have 4GB of memory and that eats much of low memory.
> If you decrease the 'maxmem' you should see a smaller amount being used.
> 

And why xenlinux kernel from centos (2.6.18-194.26.1.el5xen) displays
all memory as available:

cat /proc/meminfo under 2.6.37 (iommu=off acpi=off):
MemTotal:         447220 kB

cat /proc/meminfo under 2.6.18-194.26.1.el5xen:
MemTotal:       524288 kB

?