From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267741AbUG3RA4 (ORCPT ); Fri, 30 Jul 2004 13:00:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267744AbUG3RA4 (ORCPT ); Fri, 30 Jul 2004 13:00:56 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:61144 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S267746AbUG3RAx (ORCPT ); Fri, 30 Jul 2004 13:00:53 -0400 Date: Fri, 30 Jul 2004 13:30:09 -0300 From: Marcelo Tosatti To: Andrew Morton Cc: Klaus Dittrich , linux-kernel@vger.kernel.org Subject: Re: dentry cache leak? Re: rsync out of memory 2.6.8-rc2 Message-ID: <20040730163007.GA2931@logos.cnet> References: <20040726150615.GA1119@xeon2.local.here> <20040729140743.170acb3e.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040729140743.170acb3e.akpm@osdl.org> User-Agent: Mutt/1.5.5.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 29, 2004 at 02:07:43PM -0700, Andrew Morton wrote: > kladit@t-online.de (Klaus Dittrich) wrote: > > > > >Can you narrow the onset of the problem down to any particular kernel > > >snapshot? > > > > Did it and here is the answer. > > > > kernel-2.6.7 and bk's up to 2.6.7-bk7 survived a du -s, > > kernels starting with 2.6.7-bk8 did not. > > I can reproduce this oom btw. Am (very, very slowly) working out what's > causing it. It's unrelated to the vfs-cache-pressure patch. I'd hope to > have it fixed up for 2.6.8. Odd, because the only thing I can see which affects dcache related code between -bk7 and -bk8 is the vfs-cache-pressure patch. What are the exact steps you're using to reproduce the leak? And where do you think the problem lies?