From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: x86_64: Make sparsemem/vmemmap the default memory model Date: Tue, 13 Nov 2007 00:59:34 +0100 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200711130059.34346.ak@suse.de> Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mel Gorman , Andy Whitcroft List-ID: On Tuesday 13 November 2007 00:52:14 Christoph Lameter wrote: > Use sparsemem as the only memory model for UP, SMP and NUMA. > > Measurements indicate that DISCONTIGMEM has a higher > overhead than sparsemem. And FLATMEMs benefits are minimal. So I think its > best to simply standardize on sparsemem. How about the memory overhead? Is it the same too? And code size vs flatmem? -Andi -- 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