From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by ozlabs.org (Postfix) with ESMTP id 951E12C0199 for ; Thu, 10 Jan 2013 09:50:33 +1100 (EST) Date: Wed, 9 Jan 2013 14:50:31 -0800 From: Andrew Morton To: Tang Chen Subject: Re: [PATCH v6 05/15] memory-hotplug: introduce new function arch_remove_memory() for removing page table depends on architecture Message-Id: <20130109145031.210505d0.akpm@linux-foundation.org> In-Reply-To: <1357723959-5416-6-git-send-email-tangchen@cn.fujitsu.com> 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 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, len.brown@intel.com, wency@cn.fujitsu.com, cmetcalf@tilera.com, glommer@parallels.com, wujianguo@huawei.com, yinghai@kernel.org, laijs@cn.fujitsu.com, linux-kernel@vger.kernel.org, minchan.kim@gmail.com, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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?