From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.sgi.com [192.48.171.29]) by ozlabs.org (Postfix) with ESMTP id 0FA2CDDE0C for ; Wed, 23 Jan 2008 10:18:53 +1100 (EST) Date: Tue, 22 Jan 2008 15:18:52 -0800 (PST) From: Christoph Lameter To: Pekka Enberg Subject: Re: crash in kmem_cache_init In-Reply-To: Message-ID: References: <20080117211511.GA25320@aepfle.de> <20080118213011.GC10491@csn.ul.ie> <20080118225713.GA31128@aepfle.de> <20080122195448.GA15567@csn.ul.ie> <20080122212654.GB15567@csn.ul.ie> <20080122225046.GA866@csn.ul.ie> <47967560.8080101@cs.helsinki.fi> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: lee.schermerhorn@hp.com, Olaf Hering , Linux MM , Mel Gorman , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, "Aneesh Kumar K.V" , hanth Aravamudan , akpm@linux-foundation.org, KAMEZAWA Hiroyuki List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 22 Jan 2008, Christoph Lameter wrote: > But I doubt that this is it. The fallback logic was added later and it > worked fine. My patch is useless (fascinating history of the changelog there through). fallback_alloc calls kmem_getpages without GFP_THISNODE. This means that alloc_pages_node() will try to allocate on the current node but fallback to neighboring node if nothing is there....