Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754807AbaFTPUk (ORCPT ); Fri, 20 Jun 2014 11:20:40 -0400 Received: from qmta14.emeryville.ca.mail.comcast.net ([76.96.27.212]:44269 "EHLO qmta14.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753164AbaFTPUj (ORCPT ); Fri, 20 Jun 2014 11:20:39 -0400 Date: Fri, 20 Jun 2014 10:20:36 -0500 (CDT) From: Christoph Lameter To: "Paul E. McKenney" cc: josh@joshtriplett.org, Andi Kleen , Dave Hansen , LKML , "Chen, Tim C" Subject: Re: [bisected] pre-3.16 regression on open() scalability In-Reply-To: <20140619230732.GX4904@linux.vnet.ibm.com> Message-ID: References: <20140618203052.GT4669@linux.vnet.ibm.com> <20140618235131.GA25946@linux.vnet.ibm.com> <20140619014200.GO8178@tassilo.jf.intel.com> <20140619180916.GE4904@linux.vnet.ibm.com> <20140619204220.GJ4904@linux.vnet.ibm.com> <20140619213203.GA16747@cloud> <20140619230732.GX4904@linux.vnet.ibm.com> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 19 Jun 2014, Paul E. McKenney wrote: > I am putting together patches based on Eric Dumazet's suggestion and on a > variant of the above approach. However, I do expect the distros to starve > to death between those two bales of hay. But perhaps the actual patches > will inspire a bit of light to go with this thread's heat and smoke. Yep. Note that the large systems are only a few and the smaller systems are many. You are penalizing the overwhelming majority for support of a few systems. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/