linux-kernel - Re: [PATCH 03/07] kernel.h string cleanup

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Message-ID: <b6fcc0a1002260158k59117d7cib3ed7fc72afff86d@mail.gmail.com>
Date:	Fri, 26 Feb 2010 11:58:40 +0200
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Dave Young <hidave.darkstar@...il.com>
Cc:	Joe Perches <joe@...ches.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/07] kernel.h string cleanup

On Fri, Feb 26, 2010 at 11:55 AM, Dave Young <hidave.darkstar@...il.com> 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?

> 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.
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