10 	int err = 0;  in walk_pte_range()  local
14 		err = walk->pte_entry(pte, addr, addr + PAGE_SIZE, walk);  in walk_pte_range()
15 		if (err)  in walk_pte_range()
24 	return err;  in walk_pte_range()
32 	int err = 0;  in walk_pmd_range()  local
40 				err = walk->pte_hole(addr, next, walk);  in walk_pmd_range()
41 			if (err)  in walk_pmd_range()
50 			err = walk->pmd_entry(pmd, addr, next, walk);  in walk_pmd_range()
51 		if (err)  in walk_pmd_range()
64 		err = walk_pte_range(pmd, addr, next, walk);  in walk_pmd_range()
65 		if (err)  in walk_pmd_range()
69 	return err;  in walk_pmd_range()
77 	int err = 0;  in walk_pud_range()  local
84 				err = walk->pte_hole(addr, next, walk);  in walk_pud_range()
85 			if (err)  in walk_pud_range()
90 			err = walk_pmd_range(pud, addr, next, walk);  in walk_pud_range()
91 		if (err)  in walk_pud_range()
95 	return err;  in walk_pud_range()
103 	int err = 0;  in walk_pgd_range()  local
110 				err = walk->pte_hole(addr, next, walk);  in walk_pgd_range()
111 			if (err)  in walk_pgd_range()
116 			err = walk_pud_range(pgd, addr, next, walk);  in walk_pgd_range()
117 		if (err)  in walk_pgd_range()
121 	return err;  in walk_pgd_range()
140 	int err = 0;  in walk_hugetlb_range()  local
147 			err = walk->hugetlb_entry(pte, hmask, addr, next, walk);  in walk_hugetlb_range()
149 			err = walk->pte_hole(addr, next, walk);  in walk_hugetlb_range()
151 		if (err)  in walk_hugetlb_range()
155 	return err;  in walk_hugetlb_range()
190 		int err = 1;  in walk_page_test()  local
192 			err = walk->pte_hole(start, end, walk);  in walk_page_test()
193 		return err ? err : 1;  in walk_page_test()
201 	int err = 0;  in __walk_page_range()  local
206 			err = walk_hugetlb_range(start, end, walk);  in __walk_page_range()
208 		err = walk_pgd_range(start, end, walk);  in __walk_page_range()
210 	return err;  in __walk_page_range()
246 	int err = 0;  in walk_page_range()  local
271 			err = walk_page_test(start, next, walk);  in walk_page_range()
272 			if (err > 0) {  in walk_page_range()
278 				err = 0;  in walk_page_range()
281 			if (err < 0)  in walk_page_range()
285 			err = __walk_page_range(start, next, walk);  in walk_page_range()
286 		if (err)  in walk_page_range()
289 	return err;  in walk_page_range()
294 	int err;  in walk_page_vma()  local
302 	err = walk_page_test(vma->vm_start, vma->vm_end, walk);  in walk_page_vma()
303 	if (err > 0)  in walk_page_vma()
305 	if (err < 0)  in walk_page_vma()
306 		return err;  in walk_page_vma()