From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <47C7BFFA.9010402@cs.helsinki.fi> Date: Fri, 29 Feb 2008 10:19:06 +0200 From: Pekka Enberg MIME-Version: 1.0 Subject: Re: [patch 6/8] slub: Adjust order boundaries and minimum objects per slab. References: <20080229044803.482012397@sgi.com> <20080229044819.800974712@sgi.com> In-Reply-To: <20080229044819.800974712@sgi.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Mel Gorman , Matt Mackall , linux-mm@kvack.org List-ID: Christoph Lameter wrote: > Since there is now no worry anymore about higher order allocs (hopefully) > increase the minimum of objects per slab to 60 so that slub can reach a > similar fastpath/slowpath ratio as slab. Set the max order to default to > 4 (64k) and require slub to use a higher order if a certain object density > cannot be reached. > > Signed-off-by: Christoph Lameter I can see why you want to change the defaults for big iron but why not keep the existing PAGE_SHIFT check which leaves embedded and regular desktop unchanged? Pekka -- 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