From mboxrd@z Thu Jan 1 00:00:00 1970 From: Evgeniy Polyakov Subject: Re: [PATCH 1/2] udp: introduce struct udp_table and multiple rwlocks Date: Wed, 29 Oct 2008 00:28:07 +0300 Message-ID: <20081028212807.GA25217@ioremap.net> References: <20081007160729.60c076c4@speedy> <20081007.135548.56141000.davem@davemloft.net> <48ECBBD8.9060602@cosmosbay.com> <20081008.114527.189056050.davem@davemloft.net> <4907780F.1080808@cosmosbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: David Miller , shemminger@vyatta.com, benny+usenet@amorsen.dk, minyard@acm.org, netdev@vger.kernel.org, paulmck@linux.vnet.ibm.com, Christoph Lameter , Peter Zijlstra To: Eric Dumazet Return-path: Received: from cs-studio.ru ([195.178.208.66]:39374 "EHLO tservice.net.ru" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753429AbYJ1V2L (ORCPT ); Tue, 28 Oct 2008 17:28:11 -0400 Content-Disposition: inline In-Reply-To: <4907780F.1080808@cosmosbay.com> Sender: netdev-owner@vger.kernel.org List-ID: Hi. On Tue, Oct 28, 2008 at 09:37:35PM +0100, Eric Dumazet (dada1@cosmosbay.com) wrote: > Introducing one rwlock per chain reduces latencies, for port > randomization on heavily loaded UDP servers. > > Some cleanups were done to ease review of following patch. > > Signed-off-by: Eric Dumazet Ugh-ogh, that's a very cool change! So far reviewed only this and things look very promising. -- Evgeniy Polyakov