Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030419AbXBTVeZ (ORCPT ); Tue, 20 Feb 2007 16:34:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030434AbXBTVeZ (ORCPT ); Tue, 20 Feb 2007 16:34:25 -0500 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:45825 "EHLO netops-testserver-3.corp.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1030419AbXBTVeY (ORCPT ); Tue, 20 Feb 2007 16:34:24 -0500 Date: Tue, 20 Feb 2007 13:34:23 -0800 (PST) From: Christoph Lameter To: Max Krasnyansky cc: Oleg Nesterov , Ingo Molnar , Srivatsa Vaddagiri , "Pallipadi, Venkatesh" , Gautham shenoy , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: slab: start_cpu_timer/cache_reap CONFIG_HOTPLUG_CPU problems In-Reply-To: <45DB62B3.8060905@qualcomm.com> Message-ID: References: <20070129011301.GA844@tv-sign.ru> <20070129171923.GA138@tv-sign.ru> <20070129182742.GA158@tv-sign.ru> <45DB404C.4070305@qualcomm.com> <45DB62B3.8060905@qualcomm.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 600 Lines: 15 On Tue, 20 Feb 2007, Max Krasnyansky wrote: > I agree that running the reaper on the wrong CPU is not the best way to go > about it. > But it seems like disabling it is even worse, unless I missing something. ie > wasting > memory. Disabling during shutdown is no problem because the per cpu caches are going to be drained anyways by the cpu down code. - 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/