Re: [PATCH] parisc: Export flush_cache_page() (needed by lustre)

From: Geert Uytterhoeven
Date: Thu Sep 05 2013 - 14:07:27 EST


On Thu, Sep 5, 2013 at 7:13 PM, Kyle McMartin <kyle@xxxxxxxxxxxxx> wrote:
> On Thu, Sep 05, 2013 at 09:01:59AM -0700, James Bottomley wrote:
>> > +EXPORT_SYMBOL_GPL(flush_cache_page);
>>
>> This is an internal API: no architecture exports this. Whoever is
>> trying to use it needs to use the correct API, so this is the wrong
>> patch.
>>
>
> I suspect it's copy_{to,from}_user_page being called here:

Indeed. Sorry, I should have mentioned that.

> drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c:
> copy_to_user_page(vma, page, addr,
>
> which we could probably take out of line.

If you want to hide flush_cache_page() for modules, yes.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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