From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next-2.6] net: remove time limit in process_backlog() Date: Sun, 18 Apr 2010 02:36:04 -0700 (PDT) Message-ID: <20100418.023604.138694097.davem@davemloft.net> References: <1271489739.16881.4586.camel@edumazet-laptop> <1271513822.16881.4734.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:36425 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755938Ab0DRJgA (ORCPT ); Sun, 18 Apr 2010 05:36:00 -0400 In-Reply-To: <1271513822.16881.4734.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Sat, 17 Apr 2010 16:17:02 +0200 > - There is no point to enforce a time limit in process_backlog(), since > other napi instances dont follow same rule. We can exit after only one > packet processed... > The normal quota of 64 packets per napi instance should be the norm, and > net_rx_action() already has its own time limit. > Note : /proc/net/core/dev_weight can be used to tune this 64 default > value. > > - Use DEFINE_PER_CPU_ALIGNED for softnet_data definition. > > Signed-off-by: Eric Dumazet Yep, doing this time limit at two levels is pointless. Applied, thanks Eric!