1114 static inline int maybe_same_pte(pte_t pte, pte_t swp_pte)  in maybe_same_pte()  argument
1123 	return pte_same(pte, swp_pte) || pte_same(pte, swp_pte_dirty);  in maybe_same_pte()
1125 	return pte_same(pte, swp_pte);  in maybe_same_pte()
1140 	pte_t *pte;  in unuse_pte()  local
1153 	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);  in unuse_pte()
1154 	if (unlikely(!maybe_same_pte(*pte, swp_entry_to_pte(entry)))) {  in unuse_pte()
1163 	set_pte_at(vma->vm_mm, addr, pte,  in unuse_pte()
1180 	pte_unmap_unlock(pte, ptl);  in unuse_pte()
1194 	pte_t *pte;  in unuse_pte_range()  local
1206 	pte = pte_offset_map(pmd, addr);  in unuse_pte_range()
1212 		if (unlikely(maybe_same_pte(*pte, swp_pte))) {  in unuse_pte_range()
1213 			pte_unmap(pte);  in unuse_pte_range()
1217 			pte = pte_offset_map(pmd, addr);  in unuse_pte_range()
1219 	} while (pte++, addr += PAGE_SIZE, addr != end);  in unuse_pte_range()
1220 	pte_unmap(pte - 1);  in unuse_pte_range()