linux-kernel - Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.

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Message-Id: <200711301318.34379.rusty@rustcorp.com.au>
Date:	Fri, 30 Nov 2007 13:18:33 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Roland Dreier <rdreier@...co.com>, Andi Kleen <ak@...e.de>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	sam@...nborg.org
Subject: Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.

On Friday 30 November 2007 03:53:34 Arjan van de Ven wrote:
> On Mon, 26 Nov 2007 10:25:33 -0800
>
> > Agreed. On first glance, I was intrigued but:
> >
> > 1) Why is everyone so concerned that export symbol space is large?
> > 	- does it cost cpu or running memory?
>
> yes. about 120 bytes per symbol

But this patch makes that worse, not better.

> > 	- does it cause bugs?
>
> yes, bad apis are causing bugs... sys_open is just the starter of that.

Sure, but this doesn't change the APIs, either.  We seem to have fixed 
sys_open the right way, and since we're not supposed to care about 
out-of-tree modules...

Rusty.
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