Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759685Ab0KQGEN (ORCPT ); Wed, 17 Nov 2010 01:04:13 -0500 Received: from ipmail06.adl6.internode.on.net ([150.101.137.145]:7767 "EHLO ipmail06.adl6.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750698Ab0KQGEL (ORCPT ); Wed, 17 Nov 2010 01:04:11 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aq0DAIv84kx5LdurgWdsb2JhbACiQhYBARYiIsAfhUsE Date: Wed, 17 Nov 2010 17:04:06 +1100 From: Nick Piggin To: Nick Piggin Cc: Dave Chinner , Nick Piggin , Linus Torvalds , Eric Dumazet , Al Viro , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [patch 1/6] fs: icache RCU free inodes Message-ID: <20101117060406.GA3928@amd> References: <20101109220506.GE3246@amd> <20101115010027.GC22876@dastard> <20101115042059.GB3320@amd> <20101116030242.GI22876@dastard> <20101116034906.GA4596@amd> <20101117011254.GJ22876@dastard> <20101117041812.GD3302@amd> <20101117055633.GA3861@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101117055633.GA3861@amd> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 959 Lines: 21 On Wed, Nov 17, 2010 at 04:56:33PM +1100, Nick Piggin wrote: > So there. I re state my case. I have put up the numbers, and I have > shown that even worst cases is not the end of the world. I don't know > why I've had to repeat it so many times, but honestly at this point I've > done enough. The case is closed until any *actual* significant numbers > to the contrary turn up. Same goes for per-zone LRUs, FWIW. You can't ask submitter of every single change to prove a negative. At some point you have to move on with life and accept that regressions are inevitable, performance regressions are inevitable, and that we have a development model that is well geared by now to tolerate and resolve regressions. -- 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/