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	Thu, 15 Sep 2011 16:47:01 +1000 (EST)
Date: Thu, 15 Sep 2011 08:35:43 +0200
From: Greg KH <gregkh@suse.de>
To: Anton Blanchard <anton@samba.org>
Subject: Re: [PATCH] memory hotplug: Refuse to add unaligned memory regions
Message-ID: <20110915063543.GA29211@suse.de>
References: <20110915062615.782bc4df@kryten>
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On Thu, Sep 15, 2011 at 06:26:15AM +1000, Anton Blanchard 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
> 
> Return -EINVAL instead of creating these bad regions.
> 
> Signed-off-by: Anton Blanchard <anton@samba.org>
> ---

Is this something that should go into 3.1 and older kernels to properly
handle this type of error?

greg k-h