11 	int err = 0;  in walk_pte_range()  local
16 		err = ops->pte_entry(pte, addr, addr + PAGE_SIZE, walk);  in walk_pte_range()
17 		if (err)  in walk_pte_range()
26 	return err;  in walk_pte_range()
35 	int err = 0;  in walk_pmd_range()  local
43 				err = ops->pte_hole(addr, next, walk);  in walk_pmd_range()
44 			if (err)  in walk_pmd_range()
53 			err = ops->pmd_entry(pmd, addr, next, walk);  in walk_pmd_range()
54 		if (err)  in walk_pmd_range()
67 		err = walk_pte_range(pmd, addr, next, walk);  in walk_pmd_range()
68 		if (err)  in walk_pmd_range()
72 	return err;  in walk_pmd_range()
81 	int err = 0;  in walk_pud_range()  local
89 				err = ops->pte_hole(addr, next, walk);  in walk_pud_range()
90 			if (err)  in walk_pud_range()
99 				err = ops->pud_entry(pud, addr, next, walk);  in walk_pud_range()
101 				if (err)  in walk_pud_range()
112 			err = walk_pmd_range(pud, addr, next, walk);  in walk_pud_range()
113 		if (err)  in walk_pud_range()
117 	return err;  in walk_pud_range()
126 	int err = 0;  in walk_p4d_range()  local
133 				err = ops->pte_hole(addr, next, walk);  in walk_p4d_range()
134 			if (err)  in walk_p4d_range()
139 			err = walk_pud_range(p4d, addr, next, walk);  in walk_p4d_range()
140 		if (err)  in walk_p4d_range()
144 	return err;  in walk_p4d_range()
153 	int err = 0;  in walk_pgd_range()  local
160 				err = ops->pte_hole(addr, next, walk);  in walk_pgd_range()
161 			if (err)  in walk_pgd_range()
166 			err = walk_p4d_range(pgd, addr, next, walk);  in walk_pgd_range()
167 		if (err)  in walk_pgd_range()
171 	return err;  in walk_pgd_range()
192 	int err = 0;  in walk_hugetlb_range()  local
199 			err = ops->hugetlb_entry(pte, hmask, addr, next, walk);  in walk_hugetlb_range()
201 			err = ops->pte_hole(addr, next, walk);  in walk_hugetlb_range()
203 		if (err)  in walk_hugetlb_range()
207 	return err;  in walk_hugetlb_range()
243 		int err = 1;  in walk_page_test()  local
245 			err = ops->pte_hole(start, end, walk);  in walk_page_test()
246 		return err ? err : 1;  in walk_page_test()
254 	int err = 0;  in __walk_page_range()  local
259 			err = walk_hugetlb_range(start, end, walk);  in __walk_page_range()
261 		err = walk_pgd_range(start, end, walk);  in __walk_page_range()
263 	return err;  in __walk_page_range()
305 	int err = 0;  in walk_page_range()  local
335 			err = walk_page_test(start, next, &walk);  in walk_page_range()
336 			if (err > 0) {  in walk_page_range()
342 				err = 0;  in walk_page_range()
345 			if (err < 0)  in walk_page_range()
349 			err = __walk_page_range(start, next, &walk);  in walk_page_range()
350 		if (err)  in walk_page_range()
353 	return err;  in walk_page_range()
365 	int err;  in walk_page_vma()  local
372 	err = walk_page_test(vma->vm_start, vma->vm_end, &walk);  in walk_page_vma()
373 	if (err > 0)  in walk_page_vma()
375 	if (err < 0)  in walk_page_vma()
376 		return err;  in walk_page_vma()