Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965488Ab0BZRbW (ORCPT ); Fri, 26 Feb 2010 12:31:22 -0500 Received: from one.firstfloor.org ([213.235.205.2]:57124 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965461Ab0BZRbV (ORCPT ); Fri, 26 Feb 2010 12:31:21 -0500 Date: Fri, 26 Feb 2010 18:31:15 +0100 From: Andi Kleen To: Christoph Lameter Cc: Andi Kleen , David Rientjes , Pekka Enberg , Nick Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, haicheng.li@intel.com, KAMEZAWA Hiroyuki Subject: Re: [PATCH] [4/4] SLAB: Fix node add timer race in cache_reap Message-ID: <20100226173115.GG16335@basil.fritz.box> References: <20100220090154.GB11287@basil.fritz.box> <4B862623.5090608@cs.helsinki.fi> <20100226114136.GA16335@basil.fritz.box> <20100226155755.GE16335@basil.fritz.box> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 773 Lines: 22 On Fri, Feb 26, 2010 at 11:24:50AM -0600, Christoph Lameter wrote: > On Fri, 26 Feb 2010, Andi Kleen wrote: > > > > > Memory hotplug with node add never quite worked on x86 before, > > > > for various reasons not related to slab. > > > > > > Ok but why did things break in such a big way? > > > > 1) numa memory hotadd never worked > > Well Kamesan indicated that this worked if a cpu became online. I mean in the general case. There were tons of problems all over. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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/