From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-f50.google.com (mail-qg0-f50.google.com [209.85.192.50]) by kanga.kvack.org (Postfix) with ESMTP id 929696B0038 for ; Wed, 17 Dec 2014 14:58:46 -0500 (EST) Received: by mail-qg0-f50.google.com with SMTP id z60so1359199qgd.23 for ; Wed, 17 Dec 2014 11:58:46 -0800 (PST) Received: from mail-qc0-x232.google.com (mail-qc0-x232.google.com. [2607:f8b0:400d:c01::232]) by mx.google.com with ESMTPS id a2si5797686qam.24.2014.12.17.11.58.44 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 17 Dec 2014 11:58:45 -0800 (PST) Received: by mail-qc0-f178.google.com with SMTP id b13so14242013qcw.9 for ; Wed, 17 Dec 2014 11:58:44 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <5491D0D2.5070103@sr71.net> References: <5490A5F8.6050504@sr71.net> <20141217100810.GA3461@arm.com> <20141217165310.GJ870@arm.com> <5491D0D2.5070103@sr71.net> Date: Wed, 17 Dec 2014 11:58:44 -0800 Message-ID: Subject: Re: post-3.18 performance regression in TLB flushing code From: Linus Torvalds Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Dave Hansen Cc: Will Deacon , Benjamin Herrenschmidt , Peter Zijlstra , Russell King - ARM Linux , Michal Simek , LKML , Linux-MM On Wed, Dec 17, 2014 at 10:52 AM, Dave Hansen wrote: > > These things are also a little bit noisy, so we're well within the > margin of error with Linus's fix. > > This also holds up on the large system. Good. I'll commit it asap. Linus -- 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