linux-kernel - Re: [PATCH 1/2] Export get_user_pages

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Message-Id: <20080730105052.f05865d4.akpm@linux-foundation.org>
Date:	Wed, 30 Jul 2008 10:50:52 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	Rusty Russell <rusty@...tcorp.com.au>, lguest <lguest@...abs.org>,
	linux-kernel@...r.kernel.org, Nick Piggin <nickpiggin@...oo.com.au>
Subject: Re: [PATCH 1/2] Export get_user_pages_fast

On Wed, 30 Jul 2008 20:39:44 +0300 Adrian Bunk <bunk@...nel.org> wrote:

> > On non-CONFIG_HAVE_GET_USER_PAGES_FAST architectures a
> > get_user_pages_fast() call will in fact call get_user_pages().
> > 
> > On CONFIG_HAVE_GET_USER_PAGES_FAST architectures, get_user_pages_fast()
> > is a real function.  All architectures which implement that function
> > should export it to modules.  Hence it should be exported from within
> > generic code.
> 
> Are we talking at cross purposes?

Apparently.

> I thought you were talking an error due to a missing function.

Nope.

> If you think about an error where the function is present but only the 
> EXPORT_SYMBOL is missing

yup.

> then I get your point (although I do not 
> consider it a huge problem).

Me either.
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