From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id 580AC6B004D for ; Tue, 17 Nov 2009 07:24:28 -0500 (EST) Received: from m6.gw.fujitsu.co.jp ([10.0.50.76]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id nAHCOPMJ007345 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Tue, 17 Nov 2009 21:24:25 +0900 Received: from smail (m6 [127.0.0.1]) by outgoing.m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 1895F45DE52 for ; Tue, 17 Nov 2009 21:24:25 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (s6.gw.fujitsu.co.jp [10.0.50.96]) by m6.gw.fujitsu.co.jp (Postfix) with ESMTP id EF0EB45DE4E for ; Tue, 17 Nov 2009 21:24:24 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id D08EB1DB8037 for ; Tue, 17 Nov 2009 21:24:24 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.249.87.104]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id 86863E08002 for ; Tue, 17 Nov 2009 21:24:24 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [PATCH 0/7] Kill PF_MEMALLOC abuse In-Reply-To: <20091117102701.GA16472@infradead.org> References: <20091117192232.3DF9.A69D9226@jp.fujitsu.com> <20091117102701.GA16472@infradead.org> Message-Id: <20091117212327.3E08.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Tue, 17 Nov 2009 21:24:24 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Christoph Hellwig Cc: kosaki.motohiro@jp.fujitsu.com, linux-mm , LKML , Andrew Morton List-ID: > On Tue, Nov 17, 2009 at 07:24:42PM +0900, KOSAKI Motohiro wrote: > > if xfsbufd doesn't only write out dirty data but also drop page, > > I agree you. > > It then drops the reference to the buffer which drops references to the > pages, which often are the last references, yes. I though it is not typical case. Am I wrong? if so, I'm sorry. I'm not XFS expert. -- 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