From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f42.google.com (mail-ee0-f42.google.com [74.125.83.42]) by kanga.kvack.org (Postfix) with ESMTP id 59B306B0035 for ; Thu, 9 Jan 2014 14:44:35 -0500 (EST) Received: by mail-ee0-f42.google.com with SMTP id e53so1540916eek.29 for ; Thu, 09 Jan 2014 11:44:34 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTP id a9si5361503eew.243.2014.01.09.11.44.33 for ; Thu, 09 Jan 2014 11:44:34 -0800 (PST) Message-ID: <52CEFBFD.3080800@redhat.com> Date: Thu, 09 Jan 2014 14:43:57 -0500 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 1/5] x86: mm: Account for TLB flushes only when debugging References: <1389278098-27154-1-git-send-email-mgorman@suse.de> <1389278098-27154-2-git-send-email-mgorman@suse.de> In-Reply-To: <1389278098-27154-2-git-send-email-mgorman@suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman , Alex Shi , Ingo Molnar Cc: Linus Torvalds , Thomas Gleixner , Andrew Morton , Fengguang Wu , H Peter Anvin , Linux-X86 , Linux-MM , LKML On 01/09/2014 09:34 AM, Mel Gorman wrote: > Bisection between 3.11 and 3.12 fingered commit 9824cf97 (mm: vmstats: > tlb flush counters). The counters are undeniably useful but how often > do we really need to debug TLB flush related issues? It does not justify > taking the penalty everywhere so make it a debugging option. > > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- 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