From patchwork Fri Oct 26 10:31:01 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Congyang X-Patchwork-Id: 1651001 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 007D240135 for ; Fri, 26 Oct 2012 10:48:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758269Ab2JZKs2 (ORCPT ); Fri, 26 Oct 2012 06:48:28 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:21852 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1758250Ab2JZKsM (ORCPT ); Fri, 26 Oct 2012 06:48:12 -0400 X-IronPort-AV: E=Sophos;i="4.80,654,1344182400"; d="scan'208";a="6078657" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 26 Oct 2012 18:46:34 +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 q9QAPOvp023645; Fri, 26 Oct 2012 18:25:24 +0800 Received: from ghost.fnst.cn.fujitsu.com ([10.167.225.226]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2012102618244952-782240 ; Fri, 26 Oct 2012 18:24:49 +0800 From: wency@cn.fujitsu.com To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Cc: liuj97@gmail.com, len.brown@intel.com, akpm@linux-foundation.org, kosaki.motohiro@jp.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, rjw@sisk.pl, laijs@cn.fujitsu.com, Wen Congyang , David Rientjes , Benjamin Herrenschmidt , Paul Mackerras , Christoph Lameter , Minchan Kim Subject: [PATCH v3 1/3] acpi, memory-hotplug: call acpi_bus_trim() to remove memory device Date: Fri, 26 Oct 2012 18:31:01 +0800 Message-Id: <1351247463-5653-2-git-send-email-wency@cn.fujitsu.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1351247463-5653-1-git-send-email-wency@cn.fujitsu.com> References: <1351247463-5653-1-git-send-email-wency@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/10/26 18:24:49, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/10/26 18:24:54, Serialize complete at 2012/10/26 18:24:54 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Wen Congyang The memory device has been ejected and powoffed, so we can call acpi_bus_trim() 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 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 24c807f..1e90e8f 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -401,8 +401,9 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) } /* - * TBD: Invoke acpi_bus_remove to cleanup data structures + * Invoke acpi_bus_trim() to remove memory device */ + acpi_bus_trim(device, 1); /* _EJ0 succeeded; _OST is not necessary */ return;