[RFC 1/9] mm/hugetlb: Make GENERAL_HUGETLB functions PGD implementation aware

[Anshuman Khandual]

On 03/09/2016 05:40 PM, Anshuman Khandual wrote:
> Currently both the ARCH_WANT_GENERAL_HUGETLB functions 'huge_pte_alloc'
> and 'huge_pte_offset' dont take into account huge page implementation
> at the PGD level. With addition of PGD awareness into these functions,
> more architectures like POWER which also implements huge pages at PGD
> level (along with PMD level), can use ARCH_WANT_GENERAL_HUGETLB option.

Hugh/Mel/Naoya/Andrew,

	Thoughts/inputs/suggestions ? Does this change looks okay ?