linux-kernel - Re: [PATCH 5/6] module: make modversion_info contain a pointer, not an array.

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Message-ID: <20090128065231.64d12ffd@infradead.org>
Date:	Wed, 28 Jan 2009 06:52:31 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	linux-kernel@...r.kernel.org, Shawn Bohrer <shawn.bohrer@...il.com>
Subject: Re: [PATCH 5/6] module: make modversion_info contain a pointer, not
 an array.

On Thu, 29 Jan 2009 00:05:52 +1030
Rusty Russell <rusty@...tcorp.com.au> wrote:

> 
> With allmodconfig (minus non-building modules) on 32-bit x86:
> Total size of modules before: 60009790 bytes
> Total size of modules after: 55927866 bytes
> 
> Saving 7% of module size for CONFIG_MODVERSIONS=y; and these sections
> are kept resident as well.
> 

that reminds me.. can we just simplify MODVERSIONS to be a md5sum (or
sha1 whatver) of the .config file in the VERMAGIC ?
it's a lot more reliable in detecting incompatibilities, and a lot
less space consumed.

-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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