From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [RFC/PATCH 4/4] UDP memory usage accounting (take 4): memory limitation Date: Thu, 11 Oct 2007 12:46:56 -0700 Message-ID: <20071011124656.01dd575b@freepuppy.rosehill> References: <47065139.5030402@hitachi.com> <47065217.5050004@hitachi.com> <20071005085257.24b2e5cc@freepuppy.rosehill> <470E1C42.1050901@hitachi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Andi Kleen , David Miller , Evgeniy Polyakov , Herbert Xu , netdev , ?? ?? , Yumiko SUGITA , "??@RedHat" To: Satoshi OSHIMA Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:55028 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753562AbXJKTuW (ORCPT ); Thu, 11 Oct 2007 15:50:22 -0400 In-Reply-To: <470E1C42.1050901@hitachi.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Thu, 11 Oct 2007 21:51:14 +0900 Satoshi OSHIMA wrote: > Hi Stephen, > > Thank you for your comment. > > >> { > >> + .ctl_name = NET_UDP_MEM, > >> + .procname = "udp_mem", > >> + .data = &sysctl_udp_mem, > >> + .maxlen = sizeof(sysctl_udp_mem), > >> + .mode = 0644, > >> + .proc_handler = &proc_dointvec > >> + }, > >> + { > >> .ctl_name = NET_TCP_APP_WIN, > >> .procname = "tcp_app_win", > >> .data = &sysctl_tcp_app_win, > > > > if you use &proc_dointvec_minmax, then you could inforce min/max > > values for udp_mem for the sysctl One other comment. Sysctl value indexes are deprecated at this point so all new values should use CTL_UNNUMBERED. Therefore unless NET_UDP_MEM already exists, please don't add it. -- Stephen Hemminger