From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id B95F86B0025 for ; Wed, 14 Sep 2011 21:54:32 -0400 (EDT) Subject: Re: [PATCH] slub Discard slab page only when node partials > minimum setting From: "Alex,Shi" In-Reply-To: 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> <1315557944.31737.782.camel@debian> <1315902583.31737.848.camel@debian> <1316050363.8425.483.camel@debian> Content-Type: text/plain; charset="UTF-8" Date: Thu, 15 Sep 2011 10:00:31 +0800 Message-ID: <1316052031.8425.491.camel@debian> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Christoph Lameter , "penberg@kernel.org" , "linux-kernel@vger.kernel.org" , "Huang, Ying" , "Li, Shaohua" , "Chen, Tim C" , "linux-mm@kvack.org" On Thu, 2011-09-15 at 09:51 +0800, Christoph Lameter wrote: > I have not had time to get into this. I was hoping you could come up > with something. Thanks! Um, let me have some try. > > On Wed, Sep 14, 2011 at 8:32 PM, Alex,Shi wrote: > On Tue, 2011-09-13 at 23:04 +0800, Christoph Lameter wrote: > > Sorry to be that late with a response but my email setup is > screwed > > up. > > > > I was more thinking about the number of slab pages in the > partial > > caches rather than the size of the objects itself being an > issue. I > > believe that was /sys/kernel/slab/*/cpu_partial. > > > > That setting could be tuned further before merging. An > increase there > > causes additional memory to be caught in the partial list. > But it > > reduces the node lock pressure further. > > > > > Yeah, I think so. The more cpu partial page, the quicker to > getting > slabs. Maybe it's better to considerate the system memory size > to set > them. Do you has some plan or suggestions on tunning? > > > > > -- 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