Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262624AbVA0TZU (ORCPT ); Thu, 27 Jan 2005 14:25:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262689AbVA0TZU (ORCPT ); Thu, 27 Jan 2005 14:25:20 -0500 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:32266 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S262624AbVA0TZM (ORCPT ); Thu, 27 Jan 2005 14:25:12 -0500 Date: Thu, 27 Jan 2005 19:25:04 +0000 From: Russell King To: Phil Oester Cc: Robert Olsson , Andrew Morton , torvalds@osdl.org, alexn@dsv.su.se, kas@fi.muni.cz, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Subject: Re: Memory leak in 2.6.11-rc1? Message-ID: <20050127192504.D3036@flint.arm.linux.org.uk> Mail-Followup-To: Phil Oester , Robert Olsson , Andrew Morton , torvalds@osdl.org, alexn@dsv.su.se, kas@fi.muni.cz, linux-kernel@vger.kernel.org, netdev@oss.sgi.com References: <20050123095608.GD16648@suse.de> <20050123023248.263daca9.akpm@osdl.org> <20050123200315.A25351@flint.arm.linux.org.uk> <20050124114853.A16971@flint.arm.linux.org.uk> <20050125193207.B30094@flint.arm.linux.org.uk> <20050127082809.A20510@flint.arm.linux.org.uk> <20050127004732.5d8e3f62.akpm@osdl.org> <16888.58622.376497.380197@robur.slu.se> <20050127164918.C3036@flint.arm.linux.org.uk> <20050127183745.GA13365@linuxace.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20050127183745.GA13365@linuxace.com>; from kernel@linuxace.com on Thu, Jan 27, 2005 at 10:37:45AM -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1452 Lines: 32 On Thu, Jan 27, 2005 at 10:37:45AM -0800, Phil Oester wrote: > On Thu, Jan 27, 2005 at 04:49:18PM +0000, Russell King wrote: > > so obviously the GC does appear to be working - as can be seen from the > > number of entries in /proc/net/rt_cache. However, the number of objects > > in the slab cache does grow day on day. About 4 days ago, it was only > > about 600 active objects. Now it's more than twice that, and it'll > > continue increasing until it hits 8192, where upon it's game over. > > I can confirm the behavior you are seeing -- does seem to be a leak > somewhere. Below from a heavily used gateway with 26 days uptime: > > # wc -l /proc/net/rt_cache ; grep ip_dst /proc/slabinfo > 12870 /proc/net/rt_cache > ip_dst_cache 53327 57855 > > Eventually I get the dst_cache overflow errors and have to reboot. Can you provide some details, eg kernel configuration, loaded modules and a brief overview of any netfilter modules you may be using. Maybe we can work out what's common between our setups. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/