Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262594AbVA0MRi (ORCPT ); Thu, 27 Jan 2005 07:17:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262596AbVA0MRi (ORCPT ); Thu, 27 Jan 2005 07:17:38 -0500 Received: from null.rsn.bth.se ([194.47.142.3]:34512 "EHLO null.rsn.bth.se") by vger.kernel.org with ESMTP id S262594AbVA0MRb (ORCPT ); Thu, 27 Jan 2005 07:17:31 -0500 Date: Thu, 27 Jan 2005 13:17:28 +0100 (CET) From: Martin Josefsson X-X-Sender: gandalf@tux.rsn.bth.se To: Andrew Morton Cc: Russell King , 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? In-Reply-To: <20050127004732.5d8e3f62.akpm@osdl.org> Message-ID: References: <20050121161959.GO3922@fi.muni.cz> <1106360639.15804.1.camel@boxen> <20050123091154.GC16648@suse.de> <20050123011918.295db8e8.akpm@osdl.org> <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> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1093 Lines: 30 On Thu, 27 Jan 2005, Andrew Morton wrote: > Russell King wrote: > > > > This mornings magic numbers are: > > > > 3 > > ip_dst_cache 1292 1485 256 15 1 > > I just did a q-n-d test here: send one UDP frame to 1.1.1.1 up to > 1.1.255.255. The ip_dst_cache grew to ~15k entries and grew no further. > It's now gradually shrinking. So there doesn't appear to be a trivial > bug.. > > > Is no one interested in the fact that the DST cache is leaking and > > eventually takes out machines? I've had virtually zero interest in > > this problem so far. > > I guess we should find a way to make it happen faster. I could be a refcount problem. I think Russell is using NAT, it could be the MASQUERADE target if that is in use. A simple test would be to switch to SNAT and try again if possible. /Martin - 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/