From patchwork Fri Jul 20 07:11:40 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Congyang X-Patchwork-Id: 1219881 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 30C7DE0038 for ; Fri, 20 Jul 2012 07:07:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752854Ab2GTHGz (ORCPT ); Fri, 20 Jul 2012 03:06:55 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:37386 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752763Ab2GTHGx (ORCPT ); Fri, 20 Jul 2012 03:06:53 -0400 X-IronPort-AV: E=Sophos;i="4.77,621,1336320000"; d="scan'208";a="5444872" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 20 Jul 2012 15:05:57 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id q6K76mTM031081; Fri, 20 Jul 2012 15:06:49 +0800 Received: from [10.167.225.226] ([10.167.225.226]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2012072015072975-790497 ; Fri, 20 Jul 2012 15:07:29 +0800 Message-ID: <500904AC.7000305@cn.fujitsu.com> Date: Fri, 20 Jul 2012 15:11:40 +0800 From: Wen Congyang User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100413 Fedora/3.0.4-2.fc13 Thunderbird/3.0.4 MIME-Version: 1.0 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, Yasuaki ISIMATU Subject: [RFC PATCH 5/8] memory-hotplug: call acpi_bus_remove() to remove memory device References: <5009038A.4090001@cn.fujitsu.com> In-Reply-To: <5009038A.4090001@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/07/20 15:07:29, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/07/20 15:07:32, Serialize complete at 2012/07/20 15:07:32 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org The memory device has been ejected and powoffed, so we can call acpi_bus_remove() to remove the memory device from acpi bus. 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: Yasuaki Ishimatsu Signed-off-by: Wen Congyang --- drivers/acpi/acpi_memhotplug.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 58e4e63..431a17c 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -402,8 +402,9 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) printk(KERN_ERR PREFIX "Disable memory device\n"); /* - * TBD: Invoke acpi_bus_remove to cleanup data structures + * Invoke acpi_bus_remove() to remove memory device */ + acpi_bus_remove(device, 1); break; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO,