109 extern void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
118 				pte_t *ptep, pte_t pte, int percpu)  in __set_pte_at()  argument
128 		*ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)  in __set_pte_at()
131 		pte_update(ptep, ~_PAGE_HASHPTE, pte_val(pte));  in __set_pte_at()
143 		*ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)  in __set_pte_at()
148 	if (pte_val(*ptep) & _PAGE_HASHPTE)  in __set_pte_at()
149 		flush_hash_entry(mm, ptep, addr);  in __set_pte_at()
155 	: "=m" (*ptep), "=m" (*((unsigned char *)ptep+4))  in __set_pte_at()
164 	*ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)  in __set_pte_at()
171 	*ptep = pte;  in __set_pte_at()
178 				 pte_t *ptep, pte_t entry, int dirty);
243 extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr,