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 D57AE6B00EE for ; Tue, 6 Sep 2011 12:16:51 -0400 (EDT) Subject: Re: [PATCH 15/18] writeback: charge leaked page dirties to active tasks From: Peter Zijlstra Date: Tue, 06 Sep 2011 18:16:36 +0200 In-Reply-To: <20110904020916.588150387@intel.com> References: <20110904015305.367445271@intel.com> <20110904020916.588150387@intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Message-ID: <1315325796.14232.20.camel@twins> Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Wu Fengguang Cc: linux-fsdevel@vger.kernel.org, Andrew Morton , Jan Kara , Christoph Hellwig , Dave Chinner , Greg Thelen , Minchan Kim , Vivek Goyal , Andrea Righi , linux-mm , LKML On Sun, 2011-09-04 at 09:53 +0800, Wu Fengguang wrote: > The solution is to charge the pages dirtied by the exited gcc to the > other random gcc/dd instances. random dirtying task, seeing it lacks a !strcmp(t->comm, "gcc") || ! strcmp(t->comm, "dd") clause. > It sounds not perfect, however should > behave good enough in practice.=20 Seeing as that throttled tasks aren't actually running so those that are running are more likely to pick it up and get throttled, therefore promoting an equal spread.. ? -- 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 internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org