From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH v2] ipv4: Early TCP socket demux. Date: Wed, 20 Jun 2012 07:51:29 +0200 Message-ID: <1340171489.4604.796.camel@edumazet-glaptop> References: <20120619.163911.2094057156011157978.davem@davemloft.net> <20120619193549.13bcffa7@s6510.linuxnetplumber.net> <20120619.214657.1345825814176201681.davem@davemloft.net> <1340171359.4604.794.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: shemminger@vyatta.com, netdev@vger.kernel.org To: David Miller Return-path: Received: from mail-bk0-f46.google.com ([209.85.214.46]:56132 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752104Ab2FTFvj (ORCPT ); Wed, 20 Jun 2012 01:51:39 -0400 Received: by bkcji2 with SMTP id ji2so5822288bkc.19 for ; Tue, 19 Jun 2012 22:51:37 -0700 (PDT) In-Reply-To: <1340171359.4604.794.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2012-06-20 at 07:49 +0200, Eric Dumazet wrote: > 2) small lived tcp sessions > > input dst is now dirtied because of the additional > dst_clone()/dst_release() Not realy a concern because we dirty cache line anyway dst_use_noref() { dst->__use++; dst->lastuse = time; }