Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752908Ab3EZNHP (ORCPT ); Sun, 26 May 2013 09:07:15 -0400 Received: from mail-ob0-f171.google.com ([209.85.214.171]:37561 "EHLO mail-ob0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751983Ab3EZNHN convert rfc822-to-8bit (ORCPT ); Sun, 26 May 2013 09:07:13 -0400 MIME-Version: 1.0 In-Reply-To: <51A203D4.6080001@gmail.com> References: <1369547921-24264-1-git-send-email-liwanp@linux.vnet.ibm.com> <1369547921-24264-3-git-send-email-liwanp@linux.vnet.ibm.com> <20130526090054.GE10651@dhcp22.suse.cz> <51A203D4.6080001@gmail.com> From: KOSAKI Motohiro Date: Sun, 26 May 2013 09:06:51 -0400 Message-ID: Subject: Re: [patch v2 3/6] mm/memory_hotplug: Disable memory hotremove for 32bit To: Hush Bensen Cc: Michal Hocko , Wanpeng Li , Andrew Morton , KAMEZAWA Hiroyuki , David Rientjes , Jiang Liu , Tang Chen , "linux-mm@kvack.org" , LKML , Greg Kroah-Hartman , stable@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 868 Lines: 23 On Sun, May 26, 2013 at 8:45 AM, Hush Bensen wrote: > 于 2013/5/26 19:58, KOSAKI Motohiro 写道: > >>>> As KOSAKI Motohiro mentioned, memory hotplug don't support 32bit since >>>> it was born, >>> >>> Why? any reference? This reasoning is really weak. >> >> I have no seen any highmem support in memory hotplug code and I don't >> think this >> patch fixes all 32bit highmem issue. If anybody are interesting to >> support it, it is good thing. But in fact, _now_ it is broken when >> enable HIGHMEM. > > > But online/offline memory can work well when enable HIGHMEM, isn't it? If you are lucky. -- 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/