From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756287Ab0KJUMO (ORCPT ); Wed, 10 Nov 2010 15:12:14 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:43360 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755620Ab0KJUMN (ORCPT ); Wed, 10 Nov 2010 15:12:13 -0500 Date: Wed, 10 Nov 2010 12:12:37 -0800 (PST) Message-Id: <20101110.121237.28791448.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] net: avoid limits overflow From: David Miller In-Reply-To: <1289381066.2860.109.camel@edumazet-laptop> References: <20101005.145055.63017205.davem@davemloft.net> <20101110061507.GF4330@sgi.com> <1289381066.2860.109.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: Wed, 10 Nov 2010 10:24:26 +0100 > [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. > > Signed-off-by: Eric Dumazet > Reported-by: Robin Holt > Reviewed-by: Robin Holt > Signed-off-by: Andrew Morton Applied.