From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx183.postini.com [74.125.245.183]) by kanga.kvack.org (Postfix) with SMTP id 951286B0092 for ; Mon, 9 Jul 2012 06:36:19 -0400 (EDT) Received: from m3.gw.fujitsu.co.jp (unknown [10.0.50.73]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id 3AC553EE0BB for ; Mon, 9 Jul 2012 19:36:18 +0900 (JST) Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 1714D45DEB4 for ; Mon, 9 Jul 2012 19:36:18 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id F20CC45DE9E for ; Mon, 9 Jul 2012 19:36:17 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id E408D1DB8041 for ; Mon, 9 Jul 2012 19:36:17 +0900 (JST) Received: from g01jpexchyt07.g01.fujitsu.local (g01jpexchyt07.g01.fujitsu.local [10.128.194.46]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 988EB1DB803F for ; Mon, 9 Jul 2012 19:36:17 +0900 (JST) Message-ID: <4FFAB406.1020002@jp.fujitsu.com> Date: Mon, 9 Jul 2012 19:35:50 +0900 From: Yasuaki Ishimatsu MIME-Version: 1.0 Subject: [RFC PATCH v3 13/13] memory-hotplug : remove sysfs file of node References: <4FFAB0A2.8070304@jp.fujitsu.com> In-Reply-To: <4FFAB0A2.8070304@jp.fujitsu.com> Content-Type: text/plain; charset="ISO-2022-JP" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org 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, wency@cn.fujitsu.com 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 file changed, 5 insertions(+) Index: linux-3.5-rc4/mm/memory_hotplug.c =================================================================== --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-07-03 14:22:21.012982694 +0900 +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-07-03 14:22:25.405925554 +0900 @@ -702,6 +702,11 @@ int remove_memory(int nid, u64 start, u6 /* remove memmap entry */ firmware_map_remove(start, start + size - 1, "System RAM"); + if (!node_present_pages(nid)) { + node_set_offline(nid); + unregister_one_node(nid); + } + __remove_pages(start >> PAGE_SHIFT, size >> PAGE_SHIFT); unlock_memory_hotplug(); return 0; -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org