From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933871AbaEFDKS (ORCPT ); Mon, 5 May 2014 23:10:18 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:35914 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933731AbaEFDKQ (ORCPT ); Mon, 5 May 2014 23:10:16 -0400 Date: Mon, 05 May 2014 23:10:15 -0400 (EDT) Message-Id: <20140505.231015.1267261274092331777.davem@davemloft.net> To: andi@firstfloor.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, tom.zanussi@linux.intel.com, ak@linux.intel.com Subject: Re: [PATCH 10/24] net, diet: Make LPF filter optional From: David Miller In-Reply-To: <1399328773-6531-11-git-send-email-andi@firstfloor.org> References: <1399328773-6531-1-git-send-email-andi@firstfloor.org> <1399328773-6531-11-git-send-email-andi@firstfloor.org> X-Mailer: Mew version 6.5 on Emacs 24.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.7 (shards.monkeyblade.net [149.20.54.216]); Mon, 05 May 2014 20:10:16 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Date: Mon, 5 May 2014 15:25:59 -0700 > From: Andi Kleen > > Small systems don't need the LPF filter, so make it all > optional > > Saves about 4K text > > text data bss dec hex filename > 483545 19371 13480 516396 7e12c net/built-in.o-wo-filter > 487675 19275 13480 520430 7f0ee net/built-in.o-with-filter > > Signed-off-by: Andi Kleen I think you highly underestimate how much "small systems" use packet capturing and thus BPF.