Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933799Ab0BZKvM (ORCPT ); Fri, 26 Feb 2010 05:51:12 -0500 Received: from mail-wy0-f174.google.com ([74.125.82.174]:45167 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751094Ab0BZKvJ (ORCPT ); Fri, 26 Feb 2010 05:51:09 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=tJFCJ3OhUhgS2t/aGbrlZM+MxJVKCZxugV6rF0lTkpYHKDye5XmlVMgK/OpuckDSMe Wraxbu3YOwuhcFI53LJLocgjIftTTWsnkAoQAgz1sUgY1ur3jJSpg7BYAEYTvdsy1BMd Zc+bmD6ViFtEafdm9uO7zG56sZUjoBnejTrCY= MIME-Version: 1.0 In-Reply-To: References: <20100225155359.GA2722@darkstar> <20100225185515.GB3305@core2> <1267170179.12041.4.camel@Joe-Laptop.home> Date: Fri, 26 Feb 2010 18:51:07 +0800 Message-ID: Subject: Re: [PATCH 03/07] kernel.h string cleanup From: Dave Young To: Alexey Dobriyan Cc: Joe Perches , Andrew Morton , Ingo Molnar , Greg Kroah-Hartman , Steven Rostedt , Frederic Weisbecker , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1172 Lines: 46 On Fri, Feb 26, 2010 at 5:58 PM, Alexey Dobriyan wrote: > On Fri, Feb 26, 2010 at 11:55 AM, Dave Young wrote: >> It will be more clean to put externs/declarations to their own header files. >> At the same time compiling time benifits as well. >> >> printk/panic/string/trace header are splited then included by kernel.h so >> just hexdump/int_sqrt are actually seperated. >> >> fresh boot > > You mean cold-cache compile so results are basically random? Yes, roughly test. I have to say I will have no time to do more testing. > >> and same .config, make without -j, test result as following: >> >> with the patches applied: >> >> time: >> real 15m16.504s >> user 12m51.866s >> sys 1m39.700s >> >> vmlinux .text size: 003bfcd2 >> >> without the patches applied* >> time: >> real 15m20.518s >> user 12m54.120s >> sys 1m40.190s > > Not scientific at all. > -- Regards dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/