From: Wen Congyang <wency@cn.fujitsu.com>
To: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-doc@vger.kernel.org
Cc: Rob Landley <rob@landley.net>,
Andrew Morton <akpm@linux-foundation.org>,
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Jiang Liu <jiang.liu@huawei.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Minchan Kim <minchan.kim@gmail.com>, Mel Gorman <mgorman@suse.de>,
David Rientjes <rientjes@google.com>,
Yinghai Lu <yinghai@kernel.org>,
"rusty@rustcorp.com.au" <rusty@rustcorp.com.au>
Subject: [PART4 Patch 0/2] memory-hotplug: allow online/offline memory to result movable node
Date: Wed, 31 Oct 2012 16:15:32 +0800 [thread overview]
Message-ID: <1351671334-10243-1-git-send-email-wency@cn.fujitsu.com> (raw)
From: Lai Jiangshan <laijs@cn.fujitsu.com>
This patch is part4 of the following patchset:
https://lkml.org/lkml/2012/10/29/319
Part1 is here:
https://lkml.org/lkml/2012/10/31/30
Part2 is here:
http://marc.info/?l=linux-kernel&m=135166705909544&w=2
Part3 is here:
http://marc.info/?l=linux-kernel&m=135167050510527&w=2
You must apply part1-3 before applying this patchset.
we need a node which only contains movable memory. This feature is very
important for node hotplug. If a node has normal/highmem, the memory
may be used by the kernel and can't be offlined. If the node only contains
movable memory, we can offline the memory and the node.
Lai Jiangshan (2):
numa: add CONFIG_MOVABLE_NODE for movable-dedicated node
memory_hotplug: allow online/offline memory to result movable node
drivers/base/node.c | 6 ++++++
include/linux/nodemask.h | 4 ++++
mm/Kconfig | 8 ++++++++
mm/memory_hotplug.c | 16 ++++++++++++++++
mm/page_alloc.c | 3 +++
5 files changed, 37 insertions(+)
--
1.8.0
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next reply other threads:[~2012-10-31 8:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-31 8:15 Wen Congyang [this message]
2012-10-31 8:15 ` [PART4 Patch 1/2] numa: add CONFIG_MOVABLE_NODE for movable-dedicated node Wen Congyang
2012-10-31 8:15 ` [PART4 Patch 2/2] memory_hotplug: allow online/offline memory to result movable node Wen Congyang
2012-11-15 9:59 ` [PART4 Patch 0/2] memory-hotplug: " Yasuaki Ishimatsu
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