From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id 6D987900137 for ; Sun, 31 Jul 2011 12:13:09 -0400 (EDT) Received: by fxg9 with SMTP id 9so5334368fxg.14 for ; Sun, 31 Jul 2011 09:13:06 -0700 (PDT) Date: Sun, 31 Jul 2011 19:12:59 +0300 (EEST) From: Pekka Enberg Subject: Re: [GIT PULL] SLAB changes for v3.1-rc0 In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: David Rientjes , Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org > On Thu, 28 Jul 2011, David Rientjes wrote: > >> On Thu, 28 Jul 2011, Pekka Enberg wrote: >> >>> Christoph, your debugging fix has been in linux-next for few days now >>> and no problem have been reported. I'm considering sending the series >>> to Linus. What do you think? >>> >> >> I ran slub/lockless through some stress testing and it seems to be quite >> stable on my testing cluster. There is about a 2.3% performance >> improvement with the lockless slowpath on the netperf benchmark with >> various thread counts on my 16-core 64GB Opterons, so I'd recommend it to >> be merged into 3.1. On Fri, 29 Jul 2011, Christoph Lameter wrote: > Great. Could you also test the next stage of patches (not yet even in > Pekka's tree) where we add a per cpu cache of partial allocated slab > pages? This decreases the per node lock contention further. I can repost > the set if the old one does not work for you. Shows significant > improvement here as well. They don't apply so please resend them. 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org