From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757450Ab0JEVug (ORCPT ); Tue, 5 Oct 2010 17:50:36 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:58359 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757249Ab0JEVue (ORCPT ); Tue, 5 Oct 2010 17:50:34 -0400 Date: Tue, 05 Oct 2010 14:50:55 -0700 (PDT) Message-Id: <20101005.145055.63017205.davem@davemloft.net> To: eric.dumazet@gmail.com Cc: holt@sgi.com, akpm@linux-foundation.org, w@1wt.eu, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, kuznet@ms2.inr.ac.ru, pekkas@netcore.fi, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net Subject: Re: [Patch] Limit sysctl_tcp_mem and sysctl_udp_mem initializers to prevent integer overflows. From: David Miller In-Reply-To: <1286025736.2582.1827.camel@edumazet-laptop> References: <20101002112405.951704198@gulag1.americas.sgi.com> <20101002112419.248437367@gulag1.americas.sgi.com> <1286025736.2582.1827.camel@edumazet-laptop> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Eric Dumazet Date: Sat, 02 Oct 2010 15:22:16 +0200 > [PATCH] net: avoid limits overflow > > Robin Holt tried to boot a 16TB machine and found some limits were > reached : sysctl_tcp_mem[2], sysctl_udp_mem[2] > > We can switch infrastructure to use long "instead" of "int", now > atomic_long_t primitives are available for free. > > Reported-by: Robin Holt > Signed-off-by: Eric Dumazet Eric please resubmit this when the sysctl fix is resolved. Thanks.