From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756366AbYC1AFL (ORCPT ); Thu, 27 Mar 2008 20:05:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753716AbYC1AEz (ORCPT ); Thu, 27 Mar 2008 20:04:55 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:36728 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753625AbYC1AEy (ORCPT ); Thu, 27 Mar 2008 20:04:54 -0400 Date: Thu, 27 Mar 2008 17:04:54 -0700 (PDT) Message-Id: <20080327.170454.124353224.davem@davemloft.net> To: joe@perches.com Cc: ilpo.jarvinen@helsinki.fi, akpm@linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, acme@redhat.com, mpm@selenic.com Subject: Re: [PATCH 1/7] [NET]: uninline skb_put, de-bloats a lot From: David Miller In-Reply-To: <1206662557.4849.112.camel@localhost> References: <1206645050.4849.77.camel@localhost> <20080327.150456.39560267.davem@davemloft.net> <1206662557.4849.112.camel@localhost> X-Mailer: Mew version 5.2 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joe Perches Date: Thu, 27 Mar 2008 17:02:37 -0700 > I think this is the sort of change you might have argued > against accepting without performance testing not long ago. Look at how complicated the assembler of this function is. Any inlining performance gains will be trumped by the instruction cache usage bloat.