694 	int err;  in vma_replace_policy()  local
708 		err = vma->vm_ops->set_policy(vma, new);  in vma_replace_policy()
709 		if (err)  in vma_replace_policy()
720 	return err;  in vma_replace_policy()
730 	int err = 0;  in mbind_range()  local
766 			err = split_vma(vma->vm_mm, vma, vmstart, 1);  in mbind_range()
767 			if (err)  in mbind_range()
771 			err = split_vma(vma->vm_mm, vma, vmend, 0);  in mbind_range()
772 			if (err)  in mbind_range()
776 		err = vma_replace_policy(vma, new_pol);  in mbind_range()
777 		if (err)  in mbind_range()
782 	return err;  in mbind_range()
852 	int err;  in lookup_node()  local
854 	err = get_user_pages(addr & PAGE_MASK, 1, 0, &p, NULL);  in lookup_node()
855 	if (err >= 0) {  in lookup_node()
856 		err = page_to_nid(p);  in lookup_node()
859 	return err;  in lookup_node()
866 	int err;  in do_get_mempolicy()  local
909 			err = lookup_node(addr);  in do_get_mempolicy()
910 			if (err < 0)  in do_get_mempolicy()
912 			*policy = err;  in do_get_mempolicy()
917 			err = -EINVAL;  in do_get_mempolicy()
930 	err = 0;  in do_get_mempolicy()
945 	return err;  in do_get_mempolicy()
986 	int err = 0;  in migrate_to_node()  local
1001 		err = migrate_pages(&pagelist, new_node_page, NULL, dest,  in migrate_to_node()
1003 		if (err)  in migrate_to_node()
1007 	return err;  in migrate_to_node()
1020 	int err;  in do_migrate_pages()  local
1023 	err = migrate_prep();  in do_migrate_pages()
1024 	if (err)  in do_migrate_pages()
1025 		return err;  in do_migrate_pages()
1102 		err = migrate_to_node(mm, source, dest, flags);  in do_migrate_pages()
1103 		if (err > 0)  in do_migrate_pages()
1104 			busy += err;  in do_migrate_pages()
1105 		if (err < 0)  in do_migrate_pages()
1109 	if (err < 0)  in do_migrate_pages()
1110 		return err;  in do_migrate_pages()
1170 	int err;  in do_mbind()  local
1212 		err = migrate_prep();  in do_mbind()
1213 		if (err)  in do_mbind()
1221 			err = mpol_set_nodemask(new, nmask, scratch);  in do_mbind()
1223 			if (err)  in do_mbind()
1226 			err = -ENOMEM;  in do_mbind()
1229 	if (err)  in do_mbind()
1232 	err = queue_pages_range(mm, start, end, nmask,  in do_mbind()
1234 	if (!err)  in do_mbind()
1235 		err = mbind_range(mm, start, end, new);  in do_mbind()
1237 	if (!err) {  in do_mbind()
1249 			err = -EIO;  in do_mbind()
1256 	return err;  in do_mbind()
1331 	int err;  in SYSCALL_DEFINE6()  local
1341 	err = get_nodes(&nodes, nmask, maxnode);  in SYSCALL_DEFINE6()
1342 	if (err)  in SYSCALL_DEFINE6()
1343 		return err;  in SYSCALL_DEFINE6()
1351 	int err;  in SYSCALL_DEFINE3()  local
1361 	err = get_nodes(&nodes, nmask, maxnode);  in SYSCALL_DEFINE3()
1362 	if (err)  in SYSCALL_DEFINE3()
1363 		return err;  in SYSCALL_DEFINE3()
1375 	int err;  in SYSCALL_DEFINE4()  local
1386 	err = get_nodes(old, old_nodes, maxnode);  in SYSCALL_DEFINE4()
1387 	if (err)  in SYSCALL_DEFINE4()
1390 	err = get_nodes(new, new_nodes, maxnode);  in SYSCALL_DEFINE4()
1391 	if (err)  in SYSCALL_DEFINE4()
1399 		err = -ESRCH;  in SYSCALL_DEFINE4()
1404 	err = -EINVAL;  in SYSCALL_DEFINE4()
1417 		err = -EPERM;  in SYSCALL_DEFINE4()
1425 		err = -EPERM;  in SYSCALL_DEFINE4()
1430 		err = -EINVAL;  in SYSCALL_DEFINE4()
1434 	err = security_task_movememory(task);  in SYSCALL_DEFINE4()
1435 	if (err)  in SYSCALL_DEFINE4()
1442 		err = -EINVAL;  in SYSCALL_DEFINE4()
1446 	err = do_migrate_pages(mm, old, new,  in SYSCALL_DEFINE4()
1453 	return err;  in SYSCALL_DEFINE4()
1467 	int err;  in SYSCALL_DEFINE5()  local
1474 	err = do_get_mempolicy(&pval, &nodes, addr, flags);  in SYSCALL_DEFINE5()
1476 	if (err)  in SYSCALL_DEFINE5()
1477 		return err;  in SYSCALL_DEFINE5()
1483 		err = copy_nodes_to_user(nmask, maxnode, &nodes);  in SYSCALL_DEFINE5()
1485 	return err;  in SYSCALL_DEFINE5()
1495 	long err;  in COMPAT_SYSCALL_DEFINE5()  local
1506 	err = sys_get_mempolicy(policy, nm, nr_bits+1, addr, flags);  in COMPAT_SYSCALL_DEFINE5()
1508 	if (!err && nmask) {  in COMPAT_SYSCALL_DEFINE5()
1511 		err = copy_from_user(bm, nm, copy_size);  in COMPAT_SYSCALL_DEFINE5()
1513 		err |= clear_user(nmask, ALIGN(maxnode-1, 8) / 8);  in COMPAT_SYSCALL_DEFINE5()
1514 		err |= compat_put_bitmap(nmask, bm, nr_bits);  in COMPAT_SYSCALL_DEFINE5()
1517 	return err;  in COMPAT_SYSCALL_DEFINE5()
2502 	int err;  in mpol_set_shared_policy()  local
2517 	err = shared_policy_replace(info, vma->vm_pgoff, vma->vm_pgoff+sz, new);  in mpol_set_shared_policy()
2518 	if (err && new)  in mpol_set_shared_policy()
2520 	return err;  in mpol_set_shared_policy()
2684 	int err = 1;  in mpol_parse_str()  local
2740 			err = 0;  in mpol_parse_str()
2785 	err = 0;  in mpol_parse_str()
2793 	if (!err)  in mpol_parse_str()
2795 	return err;  in mpol_parse_str()