From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kamezawa Hiroyuki Subject: Re: [PATCH v5 05/14] memory-hotplug: introduce new function arch_remove_memory() for removing page table depends on architecture Date: Wed, 26 Dec 2012 12:37:04 +0900 Message-ID: <50DA70E0.3050704@jp.fujitsu.com> References: <1356350964-13437-1-git-send-email-tangchen@cn.fujitsu.com> <1356350964-13437-6-git-send-email-tangchen@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1356350964-13437-6-git-send-email-tangchen@cn.fujitsu.com> Sender: owner-linux-mm@kvack.org To: Tang Chen Cc: akpm@linux-foundation.org, rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, kosaki.motohiro@jp.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, wujianguo@huawei.com, wency@cn.fujitsu.com, hpa@zytor.com, linfeng@cn.fujitsu.com, laijs@cn.fujitsu.com, mgorman@suse.de, yinghai@kernel.org, x86@kernel.org, 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, sparclinux@vger.kernel.org List-Id: linux-acpi@vger.kernel.org (2012/12/24 21:09), Tang Chen wrote: > From: Wen Congyang > > For removing memory, we need to remove page table. But it depends > on architecture. So the patch introduce arch_remove_memory() for > removing page table. Now it only calls __remove_pages(). > > Note: __remove_pages() for some archtecuture is not implemented > (I don't know how to implement it for s390). > > Signed-off-by: Wen Congyang Then, remove code will be symetric to add codes. Acked-by: KAMEZAWA Hiroyuki -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kamezawa Hiroyuki Date: Wed, 26 Dec 2012 03:37:04 +0000 Subject: Re: [PATCH v5 05/14] memory-hotplug: introduce new function arch_remove_memory() for removing page t Message-Id: <50DA70E0.3050704@jp.fujitsu.com> List-Id: References: <1356350964-13437-1-git-send-email-tangchen@cn.fujitsu.com> <1356350964-13437-6-git-send-email-tangchen@cn.fujitsu.com> In-Reply-To: <1356350964-13437-6-git-send-email-tangchen@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Tang Chen Cc: akpm@linux-foundation.org, rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, kosaki.motohiro@jp.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, wujianguo@huawei.com, wency@cn.fujitsu.com, hpa@zytor.com, linfeng@cn.fujitsu.com, laijs@cn.fujitsu.com, mgorman@suse.de, yinghai@kernel.org, x86@kernel.org, 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, sparclinux@vger.kernel.org (2012/12/24 21:09), Tang Chen wrote: > From: Wen Congyang > > For removing memory, we need to remove page table. But it depends > on architecture. So the patch introduce arch_remove_memory() for > removing page table. Now it only calls __remove_pages(). > > Note: __remove_pages() for some archtecuture is not implemented > (I don't know how to implement it for s390). > > Signed-off-by: Wen Congyang Then, remove code will be symetric to add codes. Acked-by: KAMEZAWA Hiroyuki From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fgwmail6.fujitsu.co.jp (fgwmail6.fujitsu.co.jp [192.51.44.36]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 2B2432C007A for ; Wed, 26 Dec 2012 14:38:07 +1100 (EST) Received: from m2.gw.fujitsu.co.jp (unknown [10.0.50.72]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id 3CC6A3EE0C5 for ; Wed, 26 Dec 2012 12:38:06 +0900 (JST) Received: from smail (m2 [127.0.0.1]) by outgoing.m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 21F5045DE81 for ; Wed, 26 Dec 2012 12:38:06 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (s2.gw.fujitsu.co.jp [10.0.50.92]) by m2.gw.fujitsu.co.jp (Postfix) with ESMTP id DE31245DD74 for ; Wed, 26 Dec 2012 12:38:05 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id D13421DB803F for ; Wed, 26 Dec 2012 12:38:05 +0900 (JST) Received: from m1001.s.css.fujitsu.com (m1001.s.css.fujitsu.com [10.240.81.139]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 89B181DB8038 for ; Wed, 26 Dec 2012 12:38:05 +0900 (JST) Message-ID: <50DA70E0.3050704@jp.fujitsu.com> Date: Wed, 26 Dec 2012 12:37:04 +0900 From: Kamezawa Hiroyuki MIME-Version: 1.0 To: Tang Chen Subject: Re: [PATCH v5 05/14] memory-hotplug: introduce new function arch_remove_memory() for removing page table depends on architecture References: <1356350964-13437-1-git-send-email-tangchen@cn.fujitsu.com> <1356350964-13437-6-git-send-email-tangchen@cn.fujitsu.com> In-Reply-To: <1356350964-13437-6-git-send-email-tangchen@cn.fujitsu.com> Content-Type: text/plain; charset=ISO-2022-JP Cc: linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, linux-mm@kvack.org, paulus@samba.org, hpa@zytor.com, sparclinux@vger.kernel.org, cl@linux.com, linux-s390@vger.kernel.org, x86@kernel.org, linux-acpi@vger.kernel.org, isimatu.yasuaki@jp.fujitsu.com, linfeng@cn.fujitsu.com, mgorman@suse.de, kosaki.motohiro@jp.fujitsu.com, rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, wency@cn.fujitsu.com, cmetcalf@tilera.com, wujianguo@huawei.com, yinghai@kernel.org, laijs@cn.fujitsu.com, linux-kernel@vger.kernel.org, minchan.kim@gmail.com, akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , (2012/12/24 21:09), Tang Chen wrote: > From: Wen Congyang > > For removing memory, we need to remove page table. But it depends > on architecture. So the patch introduce arch_remove_memory() for > removing page table. Now it only calls __remove_pages(). > > Note: __remove_pages() for some archtecuture is not implemented > (I don't know how to implement it for s390). > > Signed-off-by: Wen Congyang Then, remove code will be symetric to add codes. Acked-by: KAMEZAWA Hiroyuki From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753536Ab2LZDiM (ORCPT ); Tue, 25 Dec 2012 22:38:12 -0500 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:52740 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752858Ab2LZDiH (ORCPT ); Tue, 25 Dec 2012 22:38:07 -0500 X-SecurityPolicyCheck: OK by SHieldMailChecker v1.8.4 Message-ID: <50DA70E0.3050704@jp.fujitsu.com> Date: Wed, 26 Dec 2012 12:37:04 +0900 From: Kamezawa Hiroyuki User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Tang Chen CC: akpm@linux-foundation.org, rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, kosaki.motohiro@jp.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, wujianguo@huawei.com, wency@cn.fujitsu.com, hpa@zytor.com, linfeng@cn.fujitsu.com, laijs@cn.fujitsu.com, mgorman@suse.de, yinghai@kernel.org, x86@kernel.org, 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, sparclinux@vger.kernel.org Subject: Re: [PATCH v5 05/14] memory-hotplug: introduce new function arch_remove_memory() for removing page table depends on architecture References: <1356350964-13437-1-git-send-email-tangchen@cn.fujitsu.com> <1356350964-13437-6-git-send-email-tangchen@cn.fujitsu.com> In-Reply-To: <1356350964-13437-6-git-send-email-tangchen@cn.fujitsu.com> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (2012/12/24 21:09), Tang Chen wrote: > From: Wen Congyang > > For removing memory, we need to remove page table. But it depends > on architecture. So the patch introduce arch_remove_memory() for > removing page table. Now it only calls __remove_pages(). > > Note: __remove_pages() for some archtecuture is not implemented > (I don't know how to implement it for s390). > > Signed-off-by: Wen Congyang Then, remove code will be symetric to add codes. Acked-by: KAMEZAWA Hiroyuki