Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753380Ab2HCHp0 (ORCPT ); Fri, 3 Aug 2012 03:45:26 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:18191 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753110Ab2HCHpL (ORCPT ); Fri, 3 Aug 2012 03:45:11 -0400 X-IronPort-AV: E=Sophos;i="4.77,705,1336320000"; d="scan'208";a="5544433" From: wency@cn.fujitsu.com To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-ia64@vger.kernel.org, cmetcalf@tilera.com Cc: rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, akpm@linux-foundation.org, kosaki.motohiro@jp.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, Wen Congyang Subject: [RFC PATCH V6 19/19] memory-hotplug: remove sysfs file of node Date: Fri, 3 Aug 2012 15:49:21 +0800 Message-Id: <1343980161-14254-20-git-send-email-wency@cn.fujitsu.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1343980161-14254-1-git-send-email-wency@cn.fujitsu.com> References: <1343980161-14254-1-git-send-email-wency@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/08/03 15:45:24, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/08/03 15:45:27, Serialize complete at 2012/08/03 15:45:27 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1465 Lines: 44 From: Yasuaki Ishimatsu The patch adds node_set_offline() and unregister_one_node() to remove_memory() for removing sysfs file of node. CC: David Rientjes CC: Jiang Liu CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph Lameter Cc: Minchan Kim CC: Andrew Morton CC: KOSAKI Motohiro CC: Wen Congyang Signed-off-by: Yasuaki Ishimatsu --- mm/memory_hotplug.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 68d7123..7d68e0a 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1271,6 +1271,11 @@ int __ref remove_memory(int nid, u64 start, u64 size) /* remove memmap entry */ firmware_map_remove(start, start + size, "System RAM"); + if (!node_present_pages(nid)) { + node_set_offline(nid); + unregister_one_node(nid); + } + arch_remove_memory(start, size); out: unlock_memory_hotplug(); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/