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Date: Thu, 15 Sep 2011 00:58:48 -0700
From: Andrew Morton <akpm00@gmail.com>
To: Anton Blanchard <anton@samba.org>
Cc: gregkh@suse.de, nfont@austin.ibm.com, linuxppc-dev@lists.ozlabs.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] memory hotplug: Refuse to add unaligned memory regions
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On Thu, 15 Sep 2011 06:26:15 +1000 Anton Blanchard <anton@samba.org> wrote:

> 
> The sysfs memory probe interface allows unaligned regions
> to be added:
> 
> # echo 0xffffff > /sys/devices/system/memory/probe
> 
> # cat /proc/iomem 
> 00ffffff-01fffffe : System RAM
> 01ffffff-02fffffe : System RAM
> 02ffffff-03fffffe : System RAM
> 03ffffff-04fffffe : System RAM
> 04ffffff-05fffffe : System RAM

Then don't do that?