From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264283AbUENBO4 (ORCPT ); Thu, 13 May 2004 21:14:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264298AbUENBO4 (ORCPT ); Thu, 13 May 2004 21:14:56 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:5521 "EHLO fgwmail6.fujitsu.co.jp") by vger.kernel.org with ESMTP id S264283AbUENBOy (ORCPT ); Thu, 13 May 2004 21:14:54 -0400 Date: Fri, 14 May 2004 10:13:47 +0900 From: Keiichiro Tokunaga Subject: Re: Node Hotplug Support In-reply-to: <1084430738.3189.1.camel@nighthawk> To: Dave Hansen Cc: tokunaga.keiich@jp.fujitsu.com, linux-kernel@vger.kernel.org, linux-hotplug-devel@lists.sourceforge.net, lhns-devel@lists.sourceforge.net Message-id: <20040514101347.7cbf99f4.tokunaga.keiich@jp.fujitsu.com> Organization: FUJITSU LIMITED MIME-version: 1.0 X-Mailer: Sylpheed version 0.9.9 (GTK+ 1.2.10; i686-pc-linux-gnu) Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT References: <20040508003904.63395ca7.tokunaga.keiich@jp.fujitsu.com> <1083944945.23559.1.camel@nighthawk> <20040510104725.7c9231ee.tokunaga.keiich@jp.fujitsu.com> <1084167941.28602.478.camel@nighthawk> <20040513102751.48c61d48.tokunaga.keiich@jp.fujitsu.com> <1084413887.974.7.camel@nighthawk> <20040513153505.21c5fc15.tokunaga.keiich@jp.fujitsu.com> <1084430738.3189.1.camel@nighthawk> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 12 May 2004 23:45:38 -0700 Dave Hansen wrote: > On Wed, 2004-05-12 at 23:35, Keiichiro Tokunaga wrote: > > LHNS is focusing on "container device hotplug". Container device > > could contain CPUs, memory, and/or IO devices. Container device > > could contain only IO devices. In this case, LHNS cannot use > > $NODED/control/online (NUMA stuff) for the container device. > > So, why not expose your containers in the same way that all of the other > NUMA node information is exported? What makes your NUMA containers > different from all of the other flavors of NUMA implementations in > Linux? > > > By the way, what happen when you issue > > "echo 0 > $NODEDIR/control/online"? Can you detach it > > from the system after echo-ing? > > Well, since it doesn't exist yet... Sure :) The same way as you described in your previous email seems work for a container device if we have $CONTAINERD/online. Anyway, I feel we need to be more specific about implementation. Is there already any information that I can access? Thanks, Kei