From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qe0-f48.google.com (mail-qe0-f48.google.com [209.85.128.48]) by kanga.kvack.org (Postfix) with ESMTP id DFFA36B0031 for ; Sat, 11 Jan 2014 19:58:05 -0500 (EST) Received: by mail-qe0-f48.google.com with SMTP id k5so4732147qej.35 for ; Sat, 11 Jan 2014 16:58:05 -0800 (PST) Received: from qmta12.emeryville.ca.mail.comcast.net (qmta12.emeryville.ca.mail.comcast.net. [2001:558:fe2d:44:76:96:27:227]) by mx.google.com with ESMTP id ko6si16675160qeb.9.2014.01.11.16.58.04 for ; Sat, 11 Jan 2014 16:58:04 -0800 (PST) Date: Sat, 11 Jan 2014 18:55:39 -0600 (CST) From: Christoph Lameter Subject: Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on. In-Reply-To: Message-ID: 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> <52D0854F.5060102@sr71.net> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Pekka Enberg Cc: Dave Hansen , Andrew Morton , Joonsoo Kim , "linux-mm@kvack.org" , LKML On Sat, 11 Jan 2014, Pekka Enberg wrote: > On Sat, Jan 11, 2014 at 1:42 AM, Dave Hansen wrote: > > 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. > > Seems like a reasonable compromise between memory usage and allocation speed. > > Christoph? Fundamentally I think this is good. I need to look at the details but I am only going to be able to do that next week when I am back in the office. -- 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