188b04a7d938 ("hugetlb: remove unused hstate in hugetlb_fault_mutex_hash()")
552546366a30 ("hugetlbfs: hugetlb_fault_mutex_hash() cleanup")
1b426bac66e6 ("hugetlb: use same fault hash key for shared and private mappings")
285b8dcaacfc ("mm, hugetlbfs: pass fault address to no page handler")