Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755535AbYJ3PrX (ORCPT ); Thu, 30 Oct 2008 11:47:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755052AbYJ3PrK (ORCPT ); Thu, 30 Oct 2008 11:47:10 -0400 Received: from nlpi025.sbcis.sbc.com ([207.115.36.54]:35056 "EHLO nlpi025.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753687AbYJ3PrI (ORCPT ); Thu, 30 Oct 2008 11:47:08 -0400 Date: Thu, 30 Oct 2008 10:45:45 -0500 (CDT) From: Christoph Lameter X-X-Sender: cl@quilx.com To: Pekka Enberg cc: Eric Dumazet , Miklos Szeredi , nickpiggin@yahoo.com.au, hugh@veritas.com, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: Re: SLUB defrag pull request? In-Reply-To: <1225191983.27477.16.camel@penberg-laptop> Message-ID: References: <1223883004.31587.15.camel@penberg-laptop> <84144f020810221348j536f0d84vca039ff32676e2cc@mail.gmail.com> <1224745831.25814.21.camel@penberg-laptop> <84144f020810230658o7c6b3651k2d671aab09aa71fb@mail.gmail.com> <84144f020810230714g7f5d36bas812ad691140ee453@mail.gmail.com> <49009575.60004@cosmosbay.com> <4900A7C8.9020707@cosmosbay.com> <4900B0EF.2000108@cosmosbay.com> <1225191983.27477.16.camel@penberg-laptop> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: -2.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 645 Lines: 17 On Tue, 28 Oct 2008, Pekka Enberg wrote: > Christoph, I was sort of expecting a NAK/ACK from you before merging > this. I would be nice to have numbers on this but then again I don't see > how this can hurt either. Its an additional instruction in a hot path. Lets see some numbers first. Try tbench. Seems to be very popular recently. Or my microbenchmarks for slab allocations on kernel.org. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/