Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1033409AbXEIDNl (ORCPT ); Tue, 8 May 2007 23:13:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S970434AbXEIDMQ (ORCPT ); Tue, 8 May 2007 23:12:16 -0400 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:59008 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S970425AbXEIDMO (ORCPT ); Tue, 8 May 2007 23:12:14 -0400 Date: Wed, 09 May 2007 12:11:29 +0900 From: Yasunori Goto To: Linux Kernel ML , linux-mm Subject: [RFC] memory hotremove patch take 2 [06/10] (ia64's remove_memory code) Cc: Andrew Morton , Christoph Lameter , Mel Gorman In-Reply-To: <20070509115506.B904.Y-GOTO@jp.fujitsu.com> References: <20070509115506.B904.Y-GOTO@jp.fujitsu.com> X-Mailer-Plugin: BkASPil for Becky!2 Ver.2.068 Message-Id: <20070509120643.B912.Y-GOTO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.27 [ja] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1254 Lines: 41 Call offline pages from remove_memory(). Signed-off-by: Yasunori Goto Signed-Off-By: KAMEZAWA Hiroyuki arch/ia64/mm/init.c | 13 ++++++++++++- 1 files changed, 12 insertions(+), 1 deletion(-) Index: current_test/arch/ia64/mm/init.c =================================================================== --- current_test.orig/arch/ia64/mm/init.c 2007-05-08 15:07:20.000000000 +0900 +++ current_test/arch/ia64/mm/init.c 2007-05-08 15:08:07.000000000 +0900 @@ -726,7 +726,18 @@ int arch_add_memory(int nid, u64 start, int remove_memory(u64 start, u64 size) { - return -EINVAL; + unsigned long start_pfn, end_pfn; + unsigned long timeout = 120 * HZ; + int ret; + start_pfn = start >> PAGE_SHIFT; + end_pfn = start_pfn + (size >> PAGE_SHIFT); + ret = offline_pages(start_pfn, end_pfn, timeout); + if (ret) + goto out; + /* we can free mem_map at this point */ +out: + return ret; } + EXPORT_SYMBOL_GPL(remove_memory); #endif -- Yasunori Goto - 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/