From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754719AbZBBKkU (ORCPT ); Mon, 2 Feb 2009 05:40:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752551AbZBBKkI (ORCPT ); Mon, 2 Feb 2009 05:40:08 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:35783 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752348AbZBBKkH (ORCPT ); Mon, 2 Feb 2009 05:40:07 -0500 Subject: Re: [BUG??] Deadlock between kswapd and sys_inotify_add_watch(lockdep report) From: Peter Zijlstra To: MinChan Kim Cc: Nick Piggin , linux kernel , linux mm In-Reply-To: <28c262360902020225w6419089ft2dda30da9dfb32a9@mail.gmail.com> References: <20090202101735.GA12757@barrios-desktop> <28c262360902020225w6419089ft2dda30da9dfb32a9@mail.gmail.com> Content-Type: text/plain Date: Mon, 02 Feb 2009 11:40:02 +0100 Message-Id: <1233571202.4787.124.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.24.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2009-02-02 at 19:25 +0900, MinChan Kim wrote: > But, I am not sure whether it's real bug or not. Me neither, inode life-times are tricky, but on first sight it looks real enough. > I always suffer from reading lockdep report's result. :( > It would be better to have a document about lockdep report analysis. I've never found them hard to read, so I'm afraid you'll have to be more explicit about what is unclear to you. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id 6D69E5F0001 for ; Mon, 2 Feb 2009 05:40:06 -0500 (EST) Subject: Re: [BUG??] Deadlock between kswapd and sys_inotify_add_watch(lockdep report) From: Peter Zijlstra In-Reply-To: <28c262360902020225w6419089ft2dda30da9dfb32a9@mail.gmail.com> References: <20090202101735.GA12757@barrios-desktop> <28c262360902020225w6419089ft2dda30da9dfb32a9@mail.gmail.com> Content-Type: text/plain Date: Mon, 02 Feb 2009 11:40:02 +0100 Message-Id: <1233571202.4787.124.camel@laptop> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: MinChan Kim Cc: Nick Piggin , linux kernel , linux mm List-ID: On Mon, 2009-02-02 at 19:25 +0900, MinChan Kim wrote: > But, I am not sure whether it's real bug or not. Me neither, inode life-times are tricky, but on first sight it looks real enough. > I always suffer from reading lockdep report's result. :( > It would be better to have a document about lockdep report analysis. I've never found them hard to read, so I'm afraid you'll have to be more explicit about what is unclear to you. -- 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