From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f179.google.com (mail-ie0-f179.google.com [209.85.223.179]) by kanga.kvack.org (Postfix) with ESMTP id 2D7356B0032 for ; Fri, 16 Jan 2015 11:37:43 -0500 (EST) Received: by mail-ie0-f179.google.com with SMTP id rp18so21540620iec.10 for ; Fri, 16 Jan 2015 08:37:43 -0800 (PST) Received: from smtprelay.hostedemail.com (smtprelay0063.hostedemail.com. [216.40.44.63]) by mx.google.com with ESMTP id hh11si6852424icb.99.2015.01.16.08.37.41 for ; Fri, 16 Jan 2015 08:37:42 -0800 (PST) Date: Fri, 16 Jan 2015 11:37:36 -0500 From: Steven Rostedt Subject: Re: [PATCH v2 1/2] mm/slub: optimize alloc/free fastpath by removing preemption on/off Message-ID: <20150116113736.59406ea8@gandalf.local.home> In-Reply-To: <1421415659.11734.131.camel@edumazet-glaptop2.roam.corp.google.com> References: <1421307633-24045-1-git-send-email-iamjoonsoo.kim@lge.com> <20150115171634.685237a4.akpm@linux-foundation.org> <20150115203045.00e9fb73@grimm.local.home> <20150115225130.00c0c99a@grimm.local.home> <20150115230749.5d73ad49@grimm.local.home> <1421415659.11734.131.camel@edumazet-glaptop2.roam.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Eric Dumazet Cc: Christoph Lameter , Andrew Morton , Joonsoo Kim , Pekka Enberg , David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Jesper Dangaard Brouer , Thomas Gleixner , Peter Zijlstra On Fri, 16 Jan 2015 05:40:59 -0800 Eric Dumazet wrote: > I made same observation about 3 years ago, on old cpus. > Thank you for letting me know. I was thinking I was going insane! (yeah yeah, there's lots of people who will still say that I've already gone insane, but at least I know my memory is still intact) -- Steve -- 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