From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v5] rfs: Receive Flow Steering Date: Tue, 27 Apr 2010 15:10:05 -0700 (PDT) Message-ID: <20100427.151005.133889860.davem@davemloft.net> References: <1272271271.2346.16.camel@edumazet-laptop> <20100427.145904.67907652.davem@davemloft.net> <1272406126.2343.17.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: therbert@google.com, 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]:46622 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756817Ab0D0WJ7 convert rfc822-to-8bit (ORCPT ); Tue, 27 Apr 2010 18:09:59 -0400 In-Reply-To: <1272406126.2343.17.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: =46rom: Eric Dumazet Date: Wed, 28 Apr 2010 00:08:46 +0200 > Le mardi 27 avril 2010 =E0 14:59 -0700, David Miller a =E9crit : >> net: Make RFS socket operations not be inet specific. >>=20 >> Idea from Eric Dumazet. >>=20 >> As for placement inside of struct sock, I tried to choose a place >> that otherwise has a 32-bit hole on 64-bit systems. >>=20 >> Signed-off-by: David S. Miller >=20 > Acked-by: Eric Dumazet >=20 > I tested same patch today (plus the skb->rxhash =3D sk->sk_rxhash) an= d got > a very small speedup on my Nehalem machine, where get_rps_cpus() was > using 1 % of cpu, now 0.25 %, on a tbench. Great, I've added your ACK. Thanks!