Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759177AbZCWQdZ (ORCPT ); Mon, 23 Mar 2009 12:33:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758176AbZCWQc5 (ORCPT ); Mon, 23 Mar 2009 12:32:57 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:44426 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758105AbZCWQcz (ORCPT ); Mon, 23 Mar 2009 12:32:55 -0400 Date: Mon, 23 Mar 2009 09:23:47 -0700 (PDT) From: Linus Torvalds X-X-Sender: torvalds@localhost.localdomain To: Wu Fengguang cc: Ingo Molnar , "Rafael J. Wysocki" , Linux Kernel Mailing List , Adrian Bunk , Andrew Morton , Natalie Protasevich , Kernel Testers List , Network Development , Linux ACPI , Linux PM List , Linux SCSI List , Nick Piggin , Peter Zijlstra Subject: Re: 2.6.29-rc8-git5: Reported regressions from 2.6.28 In-Reply-To: <20090323005738.GB6003@localhost> Message-ID: References: <20090321200534.GA30238@elte.hu> <20090323005738.GB6003@localhost> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 727 Lines: 20 On Mon, 23 Mar 2009, Wu Fengguang wrote: > > > > I think this was tracked back to the effective halving of > > dirty_ratio by 1cf6e7d83 ("mm: task dirty accounting fix") and > > doubling the ratio fixed the iozone regression. > > Yes, exactly. The patch for fixing this regression is trivial. I was planning on applying that patch only after 2.6.29 is out, and then if there are no surprising side effects and nobody complains, we'd then back-port it into stable. Linus -- 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/