From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Fastabend Subject: Re: Huge memory leak with 4.15.0-rc2+ Date: Mon, 11 Dec 2017 14:15:45 -0800 Message-ID: <65a3563d-396e-e4fb-7dad-937ce999868e@gmail.com> References: <2353c149-cae1-f986-63d0-3568534a1e8c@itcare.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit To: =?UTF-8?Q?Pawe=c5=82_Staszewski?= , Linux Kernel Network Developers Return-path: Received: from mail-pg0-f43.google.com ([74.125.83.43]:45587 "EHLO mail-pg0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750759AbdLKWP7 (ORCPT ); Mon, 11 Dec 2017 17:15:59 -0500 Received: by mail-pg0-f43.google.com with SMTP id m25so11924582pgv.12 for ; Mon, 11 Dec 2017 14:15:59 -0800 (PST) In-Reply-To: <2353c149-cae1-f986-63d0-3568534a1e8c@itcare.pl> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: On 12/11/2017 01:48 PM, Paweł Staszewski wrote: > > > W dniu 2017-12-11 o 22:23, Paweł Staszewski pisze: >> Hi >> >> >> I just upgraded some testing host to 4.15.0-rc2+ kernel >> >> And after some time of traffic processing - when traffic on all ports >> reach about 3Mpps - memleak started. >> [...] >> Some observations - when i disable tso on all cards there is more >> memleak. >> >> >> >> >> > When traffic starts to drop - there is less and less memleak > below link to memory usage graph: > https://ibb.co/hU97kG > > And there is rising slab_unrecl - Amount of unreclaimable memory used > for slab kernel allocations > > > Forgot to add that im using hfsc and qdiscs like pfifo on classes. > > Maybe some error case I missed in the qdisc patches I'm looking into it. Thanks, John