From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Richter Subject: Re: IPv6 over firewire Date: Sat, 12 Jan 2013 14:57:57 +0100 Message-ID: <20130112145757.4ff61f18@stein> References: <50EF1AEB.1080704@gmail.com> <20130110210912.09c62d38@stein> <50F10E94.9090302@gmail.com> <20130112102452.13babc65@stein> <50F140F7.60503@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: linux1394-devel@lists.sourceforge.net, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org To: stephan.gatzka@gmail.com Return-path: Received: from einhorn.in-berlin.de ([192.109.42.8]:59578 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752921Ab3ALN6P (ORCPT ); Sat, 12 Jan 2013 08:58:15 -0500 In-Reply-To: <50F140F7.60503@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: On Jan 12 Stephan Gatzka wrote: > > - There is another downside: Each new driver method increases the > > memory footprint of instances of respective function pointer tables > > by 4 or 8 bytes. > > I can't imagine that this is a show stopper. How many instances of > struct netdev do we have o a typical system? I guess not the much. There aren't many instances, but these instances are used in hot paths where cache utilization matters. Of course such structures can be ordered so that often used parts are located close to each other. -- Stefan Richter -=====-===-= ---= -==-- http://arcgraph.de/sr/