From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756290Ab2I0HAU (ORCPT ); Thu, 27 Sep 2012 03:00:20 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:46578 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1756227Ab2I0HAR (ORCPT ); Thu, 27 Sep 2012 03:00:17 -0400 X-IronPort-AV: E=Sophos;i="4.80,495,1344182400"; d="scan'208";a="5926328" From: Lai Jiangshan To: linux-kernel@vger.kernel.org Cc: Lai Jiangshan , Rob Landley , Andrew Morton , Jiang Liu , Jianguo Wu , Kay Sievers , Greg Kroah-Hartman , Xishi Qiu , Mel Gorman , linux-doc@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 0/3] memory_hotplug: fix memory hotplug bug Date: Thu, 27 Sep 2012 14:47:47 +0800 Message-Id: <1348728470-5580-1-git-send-email-laijs@cn.fujitsu.com> X-Mailer: git-send-email 1.7.4.4 X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/27 14:46:38, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/27 14:46:49, Serialize complete at 2012/09/27 14:46:49 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 CC: Andrew Morton CC: Jiang Liu CC: Jianguo Wu CC: Kay Sievers CC: Greg Kroah-Hartman CC: Xishi Qiu CC: Mel Gorman CC: linux-doc@vger.kernel.org CC: linux-kernel@vger.kernel.org CC: linux-mm@kvack.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