From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta8.messagelabs.com (mail6.bemta8.messagelabs.com [216.82.243.55]) by kanga.kvack.org (Postfix) with ESMTP id 9C0676B0010 for ; Thu, 15 Sep 2011 01:40:14 -0400 (EDT) Received: by iaen33 with SMTP id n33so1435528iae.14 for ; Wed, 14 Sep 2011 22:40:13 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1315448656.31737.252.camel@debian> References: <1315188460.31737.5.camel@debian> <1315357399.31737.49.camel@debian> <4E671E5C.7010405@cs.helsinki.fi> <6E3BC7F7C9A4BF4286DD4C043110F30B5D00DA333C@shsmsx502.ccr.corp.intel.com> <1315442639.31737.224.camel@debian> <1315445674.29510.74.camel@sli10-conroe> <1315448656.31737.252.camel@debian> Date: Thu, 15 Sep 2011 08:40:13 +0300 Message-ID: Subject: Re: [PATCH] slub Discard slab page only when node partials > minimum setting From: Pekka Enberg Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org List-ID: To: "Alex,Shi" Cc: "Li, Shaohua" , Christoph Lameter , "linux-kernel@vger.kernel.org" , "Huang, Ying" , "Chen, Tim C" , "linux-mm@kvack.org" On Thu, Sep 8, 2011 at 5:24 AM, Alex,Shi wrote: >> > BTW, some testing results for your PCP SLUB: >> > >> > for hackbench process testing: >> > on WSM-EP, inc ~60%, NHM-EP inc ~25% >> > on NHM-EX, inc ~200%, core2-EP, inc ~250%. >> > on Tigerton-EX, inc 1900%, :) >> > >> > for hackbench thread testing: >> > on WSM-EP, no clear inc, NHM-EP no clear inc >> > on NHM-EX, inc 10%, core2-EP, inc ~20%. >> > on Tigertion-EX, inc 100%, >> > >> > for =A0netperf loopback testing, no clear performance change. >> did you add my patch to add page to partial list tail in the test? >> Without it the per-cpu partial list can have more significant impact to >> reduce lock contention, so the result isn't precise. >> > > No, the penberg tree did include your patch on slub/partial head. > Actually PCP won't take that path, so, there is no need for your patch. > I daft a patch to remove some unused code in __slab_free, that related > this, and will send it out later. Which patch is that? Please send me it to penberg@cs.helsinki.fi as @kernel.org email forward isn't working. -- 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