linux-kernel - [PATCH 0/3] memory_hotplug: fix memory hotplug bug

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Message-Id: <1348728470-5580-1-git-send-email-laijs@cn.fujitsu.com>
Date:	Thu, 27 Sep 2012 14:47:47 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	linux-kernel@...r.kernel.org
Cc:	Lai Jiangshan <laijs@...fujitsu.com>,
	Rob Landley <rob@...dley.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiang Liu <jiang.liu@...wei.com>,
	Jianguo Wu <wujianguo@...wei.com>,
	Kay Sievers <kay.sievers@...y.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Xishi Qiu <qiuxishi@...wei.com>, Mel Gorman <mgorman@...e.de>,
	linux-doc@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 0/3] memory_hotplug: fix memory hotplug bug

We found 3 bug while we test and develop memory hotplug.

PATCH1~2: the old code does not handle node_states[N_NORMAL_MEMORY] correctly,
it corrupts the memory.

PATCH3: move the modification of zone_start_pfn into corresponding lock.

CC: Rob Landley <rob@...dley.net>
CC: Andrew Morton <akpm@...ux-foundation.org>
CC: Jiang Liu <jiang.liu@...wei.com>
CC: Jianguo Wu <wujianguo@...wei.com>
CC: Kay Sievers <kay.sievers@...y.org>
CC: Greg Kroah-Hartman <gregkh@...e.de>
CC: Xishi Qiu <qiuxishi@...wei.com>
CC: Mel Gorman <mgorman@...e.de>
CC: linux-doc@...r.kernel.org
CC: linux-kernel@...r.kernel.org
CC: linux-mm@...ck.org

Lai Jiangshan (3):
  memory_hotplug: fix missing nodemask management
  slub, hotplug: ignore unrelated node's hot-adding and hot-removing
  memory,hotplug: Don't modify the zone_start_pfn outside of
    zone_span_writelock()

 Documentation/memory-hotplug.txt |    5 ++-
 include/linux/memory.h           |    1 +
 mm/memory_hotplug.c              |   96 +++++++++++++++++++++++++++++++-------
 mm/page_alloc.c                  |    3 +-
 mm/slub.c                        |    4 +-
 5 files changed, 87 insertions(+), 22 deletions(-)

-- 
1.7.4.4

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