From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with SMTP id C456A6B01C7 for ; Tue, 23 Mar 2010 14:19:29 -0400 (EDT) Received: by pwj1 with SMTP id 1so4495830pwj.9 for ; Tue, 23 Mar 2010 11:19:27 -0700 (PDT) Subject: Re: [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression in performance Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=us-ascii From: Anton Starikov In-Reply-To: <20100323111351.756c8752.akpm@linux-foundation.org> Date: Tue, 23 Mar 2010 19:19:22 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <1BAC48C3-2AF2-4FA2-9762-85727068BF64@gmail.com> References: <20100323102208.512c16cc.akpm@linux-foundation.org> <20100323173409.GA24845@elte.hu> <20100323111351.756c8752.akpm@linux-foundation.org> Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: Ingo Molnar , Linus Torvalds , linux-mm@kvack.org, linux-kernel@vger.kernel.org, bugzilla-daemon@bugzilla.kernel.org, bugme-daemon@bugzilla.kernel.org, Peter Zijlstra List-ID: On Mar 23, 2010, at 7:13 PM, Andrew Morton wrote: > Anton, we have an executable binary in the bugzilla report but it = would > be nice to also have at least a description of what that code is > actually doing. A quick strace shows quite a lot of mprotect = activity. > A pseudo-code walkthrough, perhaps? Right now can't say too much about the code (we just gave a chance to = neighbor group to run their code on our cluster, so I'm totally = unfriendly with this code). I will forward your question to them. But probably right now you can get more information (including sources) = here http://fmt.cs.utwente.nl/tools/ltsmin/ Anton= -- 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