Date: Tue, 3 Jun 2008 20:19:22 +0300
From: Adrian Bunk <bunk@kernel.org>
To: Oliver Neukum <oliver@neukum.org>
Cc: Sitsofe Wheeler <sitsofe@yahoo.com>, linux-kernel@vger.kernel.org
Subject: Re: [Question] about modules/inline benefits
Message-ID: <20080603171922.GA2663@cs181133002.pp.htv.fi>
References: <4844C4D9.8030502@gawab.com> <g22rrs$6vp$1@ger.gmane.org> <200806030954.42188.oliver@neukum.org>
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On Tue, Jun 03, 2008 at 09:54:41AM +0200, Oliver Neukum wrote:
> Am Dienstag 03 Juni 2008 09:28:59 schrieb Sitsofe Wheeler:
> > Modules allow you to support more hardware as there is a maximum size of the
> > core kernel image.
> 
> But you pay for every module with half a page of unused RAM and module
> code will be in vmalloced memory thus increases TLB pressure a bit.

Even more important, CONFIG_MODULES=y enlarges your kernel image by more 
than 5-10%, and you have to make _much_ stuff modular to compensate for 
this.

> 	Regards
> 		Oliver

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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