Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759147AbXJDL7b (ORCPT ); Thu, 4 Oct 2007 07:59:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755239AbXJDL7X (ORCPT ); Thu, 4 Oct 2007 07:59:23 -0400 Received: from ns2.suse.de ([195.135.220.15]:46142 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755724AbXJDL7W (ORCPT ); Thu, 4 Oct 2007 07:59:22 -0400 From: Andi Kleen Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg) To: Christoph Lameter Subject: Re: [13/18] x86_64: Allow fallback for the stack Date: Thu, 4 Oct 2007 13:56:51 +0200 User-Agent: KMail/1.9.6 Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, travis@sgi.com References: <20071004035935.042951211@sgi.com> <20071004040004.708466159@sgi.com> In-Reply-To: <20071004040004.708466159@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710041356.51750.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 697 Lines: 16 On Thursday 04 October 2007 05:59:48 Christoph Lameter wrote: > Peter Zijlstra has recently demonstrated that we can have order 1 allocation > failures under memory pressure with small memory configurations. The > x86_64 stack has a size of 8k and thus requires a order 1 allocation. We've known for ages that it is possible. But it has been always so rare that it was ignored. Is there any evidence this is more common now than it used to be? -Andi - 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/