FW: [PATCH] powerpc/mm: Export HPAGE_SHIFT

[wli at movementarian.org]

On Wed, 04 Feb 2009 12:50:48 +1100 Benjamin Herrenschmidt 
>>> Do the generic hugetlbfs code provides such an API ? If not, we may need
>>> to add one.

On Wednesday 04 February 2009 16:13:29 Andrew Morton wrote:
>> I think it's something like
>> 	huge_page_size(page_hstate(page))

On Wed, Feb 04, 2009 at 04:31:38PM +1100, Nick Piggin wrote:
> That would work if you have a page, yes. If you want to query which hugepage
> sizes are available, then you probably want for_each_hstate() (which is only
> within mm/hugetlb.c at the moment, but I have no objections to exporting it
> and symbols it requires).

Exciting things have happened in mm/hugetlb.c while I was out sick.
I've got quite some catching up to do.


-- wli