30 					  pmd_t *pmd,
34 			pmd_t *pmd, unsigned long addr, unsigned long next);
37 			pmd_t *pmd, unsigned long addr);
41 extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
47 extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
150 void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
183 extern spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd,
188 static inline int is_swap_pmd(pmd_t pmd)  in is_swap_pmd()  argument
190 	return !pmd_none(pmd) && !pmd_present(pmd);  in is_swap_pmd()
194 static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd,  in pmd_trans_huge_lock()  argument
198 	if (is_swap_pmd(*pmd) || pmd_trans_huge(*pmd) || pmd_devmap(*pmd))  in pmd_trans_huge_lock()
199 		return __pmd_trans_huge_lock(pmd, vma);  in pmd_trans_huge_lock()
220 		pmd_t *pmd, int flags);
234 static inline bool is_huge_zero_pmd(pmd_t pmd)  in is_huge_zero_pmd()  argument
236 	return READ_ONCE(huge_zero_pfn) == pmd_pfn(pmd) && pmd_present(pmd);  in is_huge_zero_pmd()
300 static inline void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,  in __split_huge_pmd()  argument
320 static inline int is_swap_pmd(pmd_t pmd)  in is_swap_pmd()  argument
324 static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd,  in pmd_trans_huge_lock()  argument
346 static inline bool is_huge_zero_pmd(pmd_t pmd)  in is_huge_zero_pmd()  argument
362 		unsigned long addr, pmd_t *pmd, int flags)  in follow_devmap_pmd()  argument