linux-kernel - Re: FW: [PATCH] powerpc/mm: Export HPAGE

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Date:	Tue, 3 Feb 2009 22:26:01 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Roland Dreier <rdreier@...co.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Eli Cohen <eli@...lanox.co.il>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org
Subject: Re: FW: [PATCH] powerpc/mm: Export HPAGE_SHIFT

On Tue, 03 Feb 2009 22:16:08 -0800 Roland Dreier <rdreier@...co.com> wrote:

>  > I think it's something like
>  > 
>  > 	huge_page_size(page_hstate(page))
> 
> That would suit.  I assume the intention is for that to be usable by
> driver modules on any architecture?
> 

erm, you overestimate the amount of planning and forethought which goes
into these things ;)

The lack of any EXPORT_SYMBOL(size_to_hstate) is a broadish hint.

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