78 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
90 pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud);
99 pte_t *huge_pte_alloc(struct mm_struct *mm,
101 pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr);
102 int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep);
103 struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
105 struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
107 struct page *follow_huge_pud(struct mm_struct *mm, unsigned long address,
126 #define follow_huge_addr(mm, addr, write)	ERR_PTR(-EINVAL)  argument
135 #define follow_huge_pmd(mm, addr, pmd, flags)	NULL  argument
136 #define follow_huge_pud(mm, addr, pud, flags)	NULL  argument
140 #define is_hugepage_only_range(mm, addr, len)	0  argument
142 #define hugetlb_fault(mm, vma, addr, flags)	({ BUG(); 0; })  argument
143 #define huge_pte_offset(mm, address)	0  argument
455 					   struct mm_struct *mm, pte_t *pte)  in huge_pte_lockptr()  argument
458 		return pmd_lockptr(mm, (pmd_t *) pte);  in huge_pte_lockptr()
460 	return &mm->page_table_lock;  in huge_pte_lockptr()
503 					   struct mm_struct *mm, pte_t *pte)  in huge_pte_lockptr()  argument
505 	return &mm->page_table_lock;  in huge_pte_lockptr()
510 					struct mm_struct *mm, pte_t *pte)  in huge_pte_lock()  argument
514 	ptl = huge_pte_lockptr(h, mm, pte);  in huge_pte_lock()