linux-kernel - Re: [PATCH] config.gz doesn't need module

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Message-Id: <20060916222408.c3268a89.akpm@osdl.org>
Date:	Sat, 16 Sep 2006 22:24:08 -0700
From:	Andrew Morton <akpm@...l.org>
To:	"Randy.Dunlap" <rdunlap@...otime.net>
Cc:	lkml <linux-kernel@...r.kernel.org>, adobriyan@...il.com,
	rossb@...gle.com
Subject: Re: [PATCH] config.gz doesn't need module_exit

On Sat, 16 Sep 2006 15:11:22 -0700
"Randy.Dunlap" <rdunlap@...otime.net> wrote:

> From: Randy Dunlap <rdunlap@...otime.net>
> 
> This is an alternative patch to the current /proc/config.gz
> 'module' patch from Ross.  Pointed out by Alexey.
> 
> /proc/config.gz handler doesn't need module_exit() since it
> isn't built as a module and the exit function won't be used
> when the code is built into the kernel.

It doesn't buy us much though - the __exit code is all freed up
at runtime.

Or it should be. arch/i386/kernel/vmlinux.lds.S says

  /* .exit.text is discard at runtime, not link time, to deal with references
     from .altinstructions and .eh_frame */

but free_initmem() doesn't free it.
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