From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f205.google.com (mail-ob0-f205.google.com [209.85.214.205]) by kanga.kvack.org (Postfix) with ESMTP id 6504B6B0036 for ; Sat, 11 Jan 2014 12:23:01 -0500 (EST) Received: by mail-ob0-f205.google.com with SMTP id wo20so99118obc.8 for ; Sat, 11 Jan 2014 09:23:01 -0800 (PST) Received: from blackbird.sr71.net ([2001:19d0:2:6:209:6bff:fe9a:902]) by mx.google.com with ESMTP id g70si10229632yhd.143.2014.01.10.15.43.35 for ; Fri, 10 Jan 2014 15:43:36 -0800 (PST) Message-ID: <52D0854F.5060102@sr71.net> Date: Fri, 10 Jan 2014 15:42:07 -0800 From: Dave Hansen MIME-Version: 1.0 Subject: Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on. References: <20140103180147.6566F7C1@viggo.jf.intel.com> <20140103141816.20ef2a24c8adffae040e53dc@linux-foundation.org> <20140106043237.GE696@lge.com> <52D05D90.3060809@sr71.net> <20140110153913.844e84755256afd271371493@linux-foundation.org> In-Reply-To: <20140110153913.844e84755256afd271371493@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Joonsoo Kim , linux-mm@kvack.org, linux-kernel@vger.kernel.org, penberg@kernel.org, cl@linux-foundation.org On 01/10/2014 03:39 PM, Andrew Morton wrote: >> I tested 4 cases, all of these on the "cache-cold kfree()" case. The >> first 3 are with vanilla upstream kernel source. The 4th is patched >> with my new slub code (all single-threaded): >> >> http://www.sr71.net/~dave/intel/slub/slub-perf-20140109.png > > So we're converging on the most complex option. argh. Yeah, looks that way. > So all this testing was performed in a VM? If so, how much is that > likely to have impacted the results? Nope, none of it was in a VM. All the results here are from bare-metal. -- 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