Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760565AbXJEJTj (ORCPT ); Fri, 5 Oct 2007 05:19:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755062AbXJEJTa (ORCPT ); Fri, 5 Oct 2007 05:19:30 -0400 Received: from rv-out-0910.google.com ([209.85.198.190]:38849 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755434AbXJEJT3 (ORCPT ); Fri, 5 Oct 2007 05:19:29 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=YHcJP5ui944jwgGjQrBcRFSha4fJkBAeR655iln6YmmHXjORwfU1Ha2NO8QYUrOHBgecIe49gGoe2AhyMeOLJi3oecrVWBVaSgAcuerpoHRkUmjbuRJYRYPGfWV8g/0R9OWs8bU1QaDs6HFyydxs01I+VpKu2WdKyi3oIIC4Dx0= Message-ID: <84144f020710050219k2460631cjfd556d6eae645887@mail.gmail.com> Date: Fri, 5 Oct 2007 12:19:28 +0300 From: "Pekka Enberg" To: "Jens Axboe" Subject: Re: SLUB performance regression vs SLAB Cc: "David Chinner" , "David Miller" , cebbert@redhat.com, willy@linux.intel.com, clameter@sgi.com, nickpiggin@yahoo.com.au, hch@lst.de, mel@skynet.ie, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, suresh.b.siddha@intel.com In-Reply-To: <20071005064853.GI5711@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <470554D9.2050505@redhat.com> <20071004.141113.08322956.davem@davemloft.net> <47055F84.109@redhat.com> <20071004.150718.95506800.davem@davemloft.net> <20071004222356.GH23367404@sgi.com> <20071005064853.GI5711@kernel.dk> X-Google-Sender-Auth: fda9d7c1f2c49342 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1066 Lines: 22 Hi, On 10/5/07, Jens Axboe wrote: > I'd like to second Davids emails here, this is a serious problem. Having > a reproducible test case lowers the barrier for getting the problem > fixed by orders of magnitude. It's the difference between the problem > getting fixed in a day or two and it potentially lingering for months, > because email ping-pong takes forever and "the test team has moved on to > other tests, we'll let you know the results of test foo in 3 weeks time > when we have a new slot on the box" just removing any developer > motivation to work on the issue. What I don't understand is that why don't the people who _have_ access to the test case fix the problem? Unlike slab, slub is not a pile of crap that only Christoph can hack on... Pekka - 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/