tree f920832f9e55ecf3e178e498f8894363748bb6c7
parent 511c2aba8f07fc45bdcba548cb63f7b8a450c6dc
author Lai Jiangshan <laijs@cn.fujitsu.com> 1355270600 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1355275348 -0800

memory_hotplug: handle empty zone when online_movable/online_kernel

Make online_movable/online_kernel can empty a zone or can move memory to a
empty zone.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>