linux-kernel - Re: [PATCH] memory hotplug: Refuse to add unaligned memory regions

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Message-Id: <20110915005848.59e6fb36.akpm@linux-foundation.org>
Date:	Thu, 15 Sep 2011 00:58:48 -0700
From:	Andrew Morton <akpm00@...il.com>
To:	Anton Blanchard <anton@...ba.org>
Cc:	gregkh@...e.de, nfont@...tin.ibm.com,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] memory hotplug: Refuse to add unaligned memory regions

On Thu, 15 Sep 2011 06:26:15 +1000 Anton Blanchard <anton@...ba.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?

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