From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754166AbbIAOva (ORCPT ); Tue, 1 Sep 2015 10:51:30 -0400 Received: from mail-wi0-f171.google.com ([209.85.212.171]:36877 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751412AbbIAOv1 (ORCPT ); Tue, 1 Sep 2015 10:51:27 -0400 Date: Tue, 1 Sep 2015 16:51:24 +0200 From: Thomas Graf To: Herbert Xu Cc: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, fengguang.wu@intel.com, wfg@linux.intel.com, lkp@01.org Subject: Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Message-ID: <20150901145124.GC11564@pox.localdomain> References: <20150831110012.GO20760@orbit.nwl.cc> <20150901114300.GB12691@gondor.apana.org.au> <20150901124648.GA27550@orbit.nwl.cc> <20150901130057.GA13230@gondor.apana.org.au> <20150901134310.GB27550@orbit.nwl.cc> <20150901135019.GA13629@gondor.apana.org.au> <20150901135618.GD27550@orbit.nwl.cc> <20150901140341.GA13757@gondor.apana.org.au> <20150901141305.GA11564@pox.localdomain> <20150901141639.GA13856@gondor.apana.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150901141639.GA13856@gondor.apana.org.au> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/01/15 at 10:16pm, Herbert Xu wrote: > On Tue, Sep 01, 2015 at 04:13:05PM +0200, Thomas Graf wrote: > > > > You can easily trigger this outside of the testsuite as well. Open > > 10K Netlink sockets in a loop and the creation of the sockets will > > fail way before memory pressure kicks in. > > That means our implementation is buggy. Do you have a test program? 1. The current in-kernel self-test 2. bind_netlink.c: https://github.com/tgraf/rhashtable