From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 2 Mar 2007 09:35:01 -0800 From: Andrew Morton Subject: Re: The performance and behaviour of the anti-fragmentation related patches Message-Id: <20070302093501.34c6ef2a.akpm@linux-foundation.org> In-Reply-To: References: <20070301101249.GA29351@skynet.ie> <20070301160915.6da876c5.akpm@linux-foundation.org> <45E842F6.5010105@redhat.com> <20070302085838.bcf9099e.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Rik van Riel , Mel Gorman , npiggin@suse.de, mingo@elte.hu, jschopp@austin.ibm.com, arjan@infradead.org, torvalds@linux-foundation.org, mbligh@mbligh.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Fri, 2 Mar 2007 09:23:49 -0800 (PST) Christoph Lameter wrote: > On Fri, 2 Mar 2007, Andrew Morton wrote: > > > > Linux is *not* happy on 256GB systems. Even on some 32GB systems > > > the swappiness setting *needs* to be tweaked before Linux will even > > > run in a reasonable way. > > > > Please send testcases. > > It is not happy if you put 256GB into one zone. Oh come on. What's the workload? What happens? system time? user time? kernel profiles? -- 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