From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756135AbaEIHis (ORCPT ); Fri, 9 May 2014 03:38:48 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:41651 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756041AbaEIHiq (ORCPT ); Fri, 9 May 2014 03:38:46 -0400 Date: Fri, 9 May 2014 09:38:41 +0200 From: Pavel Machek To: David Miller Cc: andi@firstfloor.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, tom.zanussi@linux.intel.com, ak@linux.intel.com Subject: Re: [PATCH 08/24] net, diet: Make TCP metrics optional Message-ID: <20140509073841.GC4965@xo-6d-61-c0.localdomain> References: <1399328773-6531-1-git-send-email-andi@firstfloor.org> <1399328773-6531-9-git-send-email-andi@firstfloor.org> <20140505.231229.136734008603421707.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140505.231229.136734008603421707.davem@davemloft.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 2014-05-05 23:12:29, David Miller wrote: > From: Andi Kleen > Date: Mon, 5 May 2014 15:25:57 -0700 > > > This is all the code that saves connection information > > between different sockets. Not really essential for > > small systems. > > It is absolutely essential unless you want poor performance > of TCP connections. Sounds like "poor" performance of TCP and 400KB memory free is tradeoff that makes for small machines. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html