From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 6 Aug 2007 11:11:03 -0700 (PDT) From: Christoph Lameter 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: owner-linux-mm@kvack.org Return-Path: 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 List-ID: 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, 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