From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH v6 05/15] memory-hotplug: introduce new function arch_remove_memory() for removing page table depends on architecture Date: Wed, 9 Jan 2013 14:50:31 -0800 Message-ID: <20130109145031.210505d0.akpm@linux-foundation.org> References: <1357723959-5416-1-git-send-email-tangchen@cn.fujitsu.com> <1357723959-5416-6-git-send-email-tangchen@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]:35622 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758145Ab3AIWud (ORCPT ); Wed, 9 Jan 2013 17:50:33 -0500 In-Reply-To: <1357723959-5416-6-git-send-email-tangchen@cn.fujitsu.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Tang Chen Cc: rientjes@google.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, glommer@parallels.com, 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 On Wed, 9 Jan 2013 17:32:29 +0800 Tang Chen wrote: > 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). Can this break the build for s390?