linux-kernel - Re: [PATCH] Add EXPORT

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Date:	Tue, 11 Dec 2007 21:16:26 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Bernd Schmidt <bernds_cb1@...nline.de>
CC:	Adrian Bunk <bunk@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	penguin-kernel@...ove.SAKURA.ne.jp, linux-kernel@...r.kernel.org,
	Paul Mundt <lethal@...ux-sh.org>,
	David Howells <dhowells@...hat.com>
Subject: Re: [PATCH] Add EXPORT_SYMBOL(ksize);

Bernd Schmidt wrote:
> A couple of Cc:s added.
> 
> Adrian Bunk wrote:
>> On Mon, Dec 03, 2007 at 03:34:59PM -0800, Andrew Morton wrote:
>>> On Sun, 2 Dec 2007 14:48:42 +0100
>>> Adrian Bunk <bunk@...nel.org> wrote:
>>>
>>>> On Sun, Dec 02, 2007 at 05:43:39PM +0900, Tetsuo Handa wrote:
>>>>> mm/slub.c exports ksize(), but mm/slob.c and mm/slab.c don't. I don't know why.
>>>>> ...
>>>> That's due to the fact that my patch to remove this unused export from 
>>>> slub was not yet applied...
>>>>
>>>> Where is the modular in-kernel user?
>>>>
>>> binfmt_flat.c, binfmt_elf_fdpic.c.
>> I could have sworn I had checked that both are bools, but BINFMT_FLAT is 
>> actually a tristate.
>>
>> Is anyone actually using binfmt_flat modular (considering it's only 
>> available for !MMU embedded systems)? If yes, then only exporting 
>> ksize() will not be enough for getting it working modular...
> 
> We're not using modular binfmt_flat on the Blackfin, but I can't speak
> for other architectures.

I don't know of any architectures that do (or have ever) used
these as modules.

Regards
Greg


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