1. 34c0fd5 mm, dax, pmem: introduce pfn_t by Dan Williams · 9 years ago
  2. 8f235d1 mm: add PHYS_PFN, use it in __phys_to_pfn() by Chen Gang · 9 years ago
  3. 947d049 generic: make PFN_PHYS explicitly return phys_addr_t by Jeremy Fitzhardinge · 16 years ago
  4. 22a9835 [PATCH] unify PFN_* macros by Dave Hansen · 19 years ago