I'd just merge this into the previous patch, but otherwise this looks good:
Reviewed-by: Christoph Hellwig <h...@lst.de>
- [RFC 0/4] mm: Remove pfn_t type Alistair Popple
- [RFC 1/4] mm: Remove PFN_MAP, PFN_SG_CHAIN and PFN_... Alistair Popple
- Re: [RFC 1/4] mm: Remove PFN_MAP, PFN_SG_CHAIN ... Christoph Hellwig
- [RFC 2/4] mm: Remove uses of PFN_DEV Alistair Popple
- Re: [RFC 2/4] mm: Remove uses of PFN_DEV Christoph Hellwig
- [RFC 4/4] mm: Remove include/linux/pfn_t.h Alistair Popple
- Re: [RFC 4/4] mm: Remove include/linux/pfn_t.h Christoph Hellwig
- [RFC 3/4] mm: Remove callers of pfn_t functionality Alistair Popple
- Re: [RFC 3/4] mm: Remove callers of pfn_t funct... Christoph Hellwig
- Re: [RFC 0/4] mm: Remove pfn_t type Dan Williams
