From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with ESMTP id E8EF26B0092 for ; Thu, 13 Jan 2011 14:31:35 -0500 (EST) Subject: Re: [PATCH 01/35] writeback: enabling gate limit for light dirtied bdi From: Peter Zijlstra In-Reply-To: <20110113034401.GB7840@localhost> References: <20101213144646.341970461@intel.com> <20101213150326.480108782@intel.com> <20110112214303.GC14260@quack.suse.cz> <20110113034401.GB7840@localhost> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Date: Thu, 13 Jan 2011 20:26:10 +0100 Message-ID: <1294946770.30950.19.camel@laptop> Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org To: Wu Fengguang Cc: Jan Kara , Andrew Morton , Rik van Riel , Christoph Hellwig , Trond Myklebust , Dave Chinner , Theodore Ts'o , Chris Mason , Mel Gorman , KOSAKI Motohiro , Greg Thelen , Minchan Kim , linux-mm , "linux-fsdevel@vger.kernel.org" , LKML List-ID: On Thu, 2011-01-13 at 11:44 +0800, Wu Fengguang wrote: > When testing 10-disk JBOD setup, I > find that bdi_dirty_limit fluctuations too much. So I'm considering > use global_dirty_limit as control target.=20 Is this because the bandwidth is equal or larger than the dirty period? -- 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/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org