From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Thu, 23 May 2013 08:38:55 +0000 (+0200)
Subject: Driver core / memory: Simplify __memory_block_change_state()
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~19^2~19^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b2c064b25ad07169b2892a733918e6b941bf3366;p=pandora-kernel.git

Driver core / memory: Simplify __memory_block_change_state()

As noted by Tang Chen, the last_online field in struct memory_block
introduced by commit 4960e05 (Driver core: Introduce offline/online
callbacks for memory blocks) is not really necessary, because
online_pages() restores the previous state if passed ONLINE_KEEP as
the last argument.  Therefore, remove that field along with the code
referring to it.

References: http://marc.info/?l=linux-kernel&m=136919777305599&w=2
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Tang Chen <tangchen@cn.fujitsu.com>
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