From 61b94feafa1c59a1de2719d23294dea6fd4ca362 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Thu, 15 Sep 2011 06:26:15 +1000
Subject: [PATCH] memory hotplug: Refuse to add unaligned memory regions

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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