[PATCH] hugetlb: simplify hugetlb handling in follow_page_mask

[David Hildenbrand]

> Yes I think the assumption is correct for user pages hence for GUP.
> 
> By the way the discussion started with PTDUMP. For PTDUMP we need huge
> page directories to be taken into account. And for anything that
> involves kernel pages like VMAP or VMALLOC.

Yes, makes perfect sense to me now that you explained how/where hugepd 
is actually used -- thanks!

-- 
Thanks,

David / dhildenb