Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762364AbXHFSLR (ORCPT ); Mon, 6 Aug 2007 14:11:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753827AbXHFSLH (ORCPT ); Mon, 6 Aug 2007 14:11:07 -0400 Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:50201 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752215AbXHFSLG (ORCPT ); Mon, 6 Aug 2007 14:11:06 -0400 Date: Mon, 6 Aug 2007 11:11:03 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Peter Zijlstra cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, David Miller , Andrew Morton , Daniel Phillips , Pekka Enberg , Matt Mackall , Lee Schermerhorn , Steve Dickson Subject: Re: [PATCH 02/10] mm: system wide ALLOC_NO_WATERMARK In-Reply-To: <20070806103658.107883000@chello.nl> Message-ID: References: <20070806102922.907530000@chello.nl> <20070806103658.107883000@chello.nl> 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: 567 Lines: 14 On Mon, 6 Aug 2007, Peter Zijlstra wrote: > Change ALLOC_NO_WATERMARK page allocation such that dipping into the reserves > becomes a system wide event. Shudder. That can just be a desaster for NUMA. Both performance wise and logic wise. One cpuset being low on memory should not affect applications in other cpusets. - 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/