From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <47E00FEF.10604@cs.helsinki.fi> Date: Tue, 18 Mar 2008 20:54:39 +0200 From: Pekka Enberg MIME-Version: 1.0 Subject: Re: [patch 7/9] slub: Adjust order boundaries and minimum objects per slab. References: <20080317230516.078358225@sgi.com> <20080317230529.474353536@sgi.com> In-Reply-To: <20080317230529.474353536@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 , yanmin_zhang@linux.intel.com, linux-mm@kvack.org List-ID: Christoph Lameter wrote: > Since there is now no worry anymore about higher order allocs (hopefully). > Set the max order to default to PAGE_ALLOC_ORDER_COSTLY (32k) and require > slub to use a higher order if a certain object density cannot be reached. > > The mininum objects per slab is calculated based on the number of processors > that may come online. Interesting. Why do we want to make min objects depend on CPU count and not amount of memory available on the system? -- 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