From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262726AbTJPEPf (ORCPT ); Thu, 16 Oct 2003 00:15:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262729AbTJPEPf (ORCPT ); Thu, 16 Oct 2003 00:15:35 -0400 Received: from fw.osdl.org ([65.172.181.6]:35544 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S262726AbTJPEPd (ORCPT ); Thu, 16 Oct 2003 00:15:33 -0400 Date: Wed, 15 Oct 2003 21:19:18 -0700 From: Andrew Morton To: Alberto Bertogli Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.0-test5/6 (and probably 7 too) size-4096 memory leak Message-Id: <20031015211918.1a70c4d2.akpm@osdl.org> In-Reply-To: <20031016025554.GH4292@telpin.com.ar> References: <20031016025554.GH4292@telpin.com.ar> X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Alberto Bertogli wrote: > > I want to report a memory leak for 2.6.0-test5 that I've noticed today on > a mail server after 32 days of uptime. > > As I'm upgrading it tomorrow to test7 I wasn't going to report this until > verifying if the behaviour continued, but I saw on kernelnewbies that > others were having this issue with test7 too, so I decided to post a > report with the information before I reboot the server. > > The attached files are gzipped for space reasons, and were taken at night > when the server isn't very loaded. > > The workload is a simple sendmail with ipop3d and imapd, nothing much, for > about 6500 users; the machine is a dual Pentium III with 1gb of RAM and a > couple of SCSI disks. > > Slabinfo reports that size-4096 has 104341 active objects and growing. > > On another box at home I see the same issue with test6, but "only" with > 11612 objects; I'm not posting info on this box as I guess the mailserver > is much more important because the leak is really noticeable. At least I'm not the only one; my main desktop machine does the same thing. It leaks two megabytes a day into size-4096, like clockwork. It's up to 43 megs now. I was ignoring it and hoping it would go away. Ho hum. Tricky.