From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Oester Subject: Re: Memory leak in 2.6.11-rc1? Date: Thu, 27 Jan 2005 10:37:45 -0800 Message-ID: <20050127183745.GA13365@linuxace.com> References: <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> <16888.58622.376497.380197@robur.slu.se> <20050127164918.C3036@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: To: Robert Olsson , Andrew Morton , torvalds@osdl.org, alexn@dsv.su.se, kas@fi.muni.cz, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Content-Disposition: inline In-Reply-To: <20050127164918.C3036@flint.arm.linux.org.uk> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org 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. Phil