From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id 036B26B0078 for ; Fri, 26 Feb 2010 12:31:19 -0500 (EST) Date: Fri, 26 Feb 2010 18:31:15 +0100 From: Andi Kleen 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: Sender: owner-linux-mm@kvack.org 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 List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org