From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id 058E06B0062 for ; Wed, 18 Feb 2009 04:19:22 -0500 (EST) Subject: Re: [patch] SLQB slab allocator (try 2) From: "Zhang, Yanmin" In-Reply-To: <1234947664.24030.39.camel@penberg-laptop> References: <20090123154653.GA14517@wotan.suse.de> <200902041748.41801.nickpiggin@yahoo.com.au> <20090204152709.GA4799@csn.ul.ie> <200902051459.30064.nickpiggin@yahoo.com.au> <20090216184200.GA31264@csn.ul.ie> <4999BBE6.2080003@cs.helsinki.fi> <1234890096.11511.6.camel@penberg-laptop> <1234919143.2604.417.camel@ymzhang> <1234943296.24030.2.camel@penberg-laptop> <1234946582.2604.423.camel@ymzhang> <1234947664.24030.39.camel@penberg-laptop> Content-Type: text/plain Date: Wed, 18 Feb 2009 17:19:04 +0800 Message-Id: <1234948744.2604.426.camel@ymzhang> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Pekka Enberg Cc: Christoph Lameter , Mel Gorman , Nick Piggin , Nick Piggin , Linux Memory Management List , Linux Kernel Mailing List , Andrew Morton , Lin Ming List-ID: On Wed, 2009-02-18 at 11:01 +0200, Pekka Enberg wrote: > On Wed, 2009-02-18 at 16:43 +0800, Zhang, Yanmin wrote: > > > > Code: be 3f 06 00 00 48 c7 c7 c7 96 80 80 e8 b8 e2 f9 ff e8 c5 c2 > > 45 00 9c 5b fa 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c4 e8 > > > > RIP [] kmem_cache_alloc+0x43/0x97 > > > > RSP > > > > CR2: 0000000000000000 > > > > ---[ end trace a7919e7f17c0a725 ]--- > > > > swapper used greatest stack depth: 5376 bytes left > > > > Kernel panic - not syncing: Attempted to kill init! > > > > > > Aah, we need to fix up some more PAGE_SHIFTs in the code. > > The new patch fixes hang issue. netperf UDP-U-4k (start CPU_NUM clients) result is pretty good. > > Do you have your patch on top of it as well? Yes. > Btw, can I add a Tested-by > tag from you to the patch? Ok. Another testing with UDP-U-4k (start 1 client and bind client and server to different cpu) result is improved, but is not so good as SLQB's. But we can increase slub_max_order to get the similiar result like SLQB. -- 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