From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Rosenboom Subject: [RFC] ipv6: Change %pI6 format to output compacted addresses? Date: Wed, 12 Aug 2009 17:39:20 +0200 Message-ID: <1250091560.6641.48.camel@fnki-nb00130> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit To: Linux Network Developers Return-path: Received: from leia.mcbone.net ([194.97.104.42]:47538 "EHLO leia.mcbone.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751607AbZHLPj1 (ORCPT ); Wed, 12 Aug 2009 11:39:27 -0400 Received: from fnki-ws00028.freenet-ag.de ([194.97.6.48]) by leia.mcbone.net with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1MbFvD-0008JB-Mt for netdev@vger.kernel.org; Wed, 12 Aug 2009 15:39:27 +0000 Sender: netdev-owner@vger.kernel.org List-ID: Currently the output looks like 2001:0db8:0000:0000:0000:0000:0000:0001 which might be compacted to 2001:db8::1. The code to do this could be adapted from inet_ntop in glibc, which would add about 80 lines to lib/vsprintf.c. How do you guys value the tradeoff between more readable logging and increased kernel size? This was already mentioned in http://kerneltrap.org/mailarchive/linux-netdev/2008/11/25/4231684 but noone seems to have taken up on it.