From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next-2.6] net: optimize INET input path further Date: Fri, 03 Dec 2010 09:11:59 -0800 (PST) Message-ID: <20101203.091159.70180198.davem@davemloft.net> References: <4CF687F3.7030107@hp.com> <1291225358.2856.1035.camel@edumazet-laptop> <4CF68D35.8020701@hp.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: eric.dumazet@gmail.com, netdev@vger.kernel.org To: brian.haley@hp.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:36073 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751628Ab0LCRLc (ORCPT ); Fri, 3 Dec 2010 12:11:32 -0500 In-Reply-To: <4CF68D35.8020701@hp.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Brian Haley Date: Wed, 01 Dec 2010 13:00:21 -0500 > Yes, all that IPv4 address baggage is still there in an IPv6 sock, even > if not used. I haven't even looked close enough to see if it is possible > to move the IPv6 addresses since I think there are times when both are > in-use. Both need to be there and can be active at the same time. IPV4 mapped sockets and how we handle them kill all the posibility share the struct space consumed by these addresses.