From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id 19D0C6B0106 for ; Thu, 11 Mar 2010 19:07:19 -0500 (EST) Received: from m4.gw.fujitsu.co.jp ([10.0.50.74]) by fgwmail5.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o2C077Uf013986 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Fri, 12 Mar 2010 09:07:07 +0900 Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 2A0B545DE7D for ; Fri, 12 Mar 2010 09:07:07 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id B01FE45DE6E for ; Fri, 12 Mar 2010 09:07:06 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 449811DB803A for ; Fri, 12 Mar 2010 09:07:06 +0900 (JST) Received: from m108.s.css.fujitsu.com (m108.s.css.fujitsu.com [10.249.87.108]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id D204AE18002 for ; Fri, 12 Mar 2010 09:07:05 +0900 (JST) Date: Fri, 12 Mar 2010 09:03:26 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [PATCH -mmotm 0/5] memcg: per cgroup dirty limit (v6) Message-Id: <20100312090326.ad07c05c.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20100311235922.GA4569@linux> References: <1268175636-4673-1-git-send-email-arighi@develer.com> <20100311180753.GE29246@redhat.com> <20100311235922.GA4569@linux> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Andrea Righi Cc: Vivek Goyal , Balbir Singh , Daisuke Nishimura , Peter Zijlstra , Trond Myklebust , Suleiman Souhlal , Greg Thelen , "Kirill A. Shutemov" , Andrew Morton , containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Fri, 12 Mar 2010 00:59:22 +0100 Andrea Righi wrote: > On Thu, Mar 11, 2010 at 01:07:53PM -0500, Vivek Goyal wrote: > > On Wed, Mar 10, 2010 at 12:00:31AM +0100, Andrea Righi wrote: > mmmh.. strange, on my side I get something as expected: > > > $ dd if=/dev/zero of=test bs=1M count=500 > 500+0 records in > 500+0 records out > 524288000 bytes (524 MB) copied, 6.28377 s, 83.4 MB/s > > > $ dd if=/dev/zero of=test bs=1M count=500 > 500+0 records in > 500+0 records out > 524288000 bytes (524 MB) copied, 11.8884 s, 44.1 MB/s > > Did you change the global /proc/sys/vm/dirty_* or memcg dirty > parameters? > what happens when bs=4k count=1000000 under 100M ? no changes ? -Kame -- 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