750 	int err;  in queue_pages_range()  local
760 	err = walk_page_range(mm, start, end, &queue_pages_walk_ops, &qp);  in queue_pages_range()
764 		err = -EFAULT;  in queue_pages_range()
766 	return err;  in queue_pages_range()
776 	int err;  in vma_replace_policy()  local
791 		err = vma->vm_ops->set_policy(vma, new);  in vma_replace_policy()
792 		if (err)  in vma_replace_policy()
809 	return err;  in vma_replace_policy()
818 	int err = 0;  in mbind_range()  local
848 			err = split_vma(vma->vm_mm, vma, vmstart, 1);  in mbind_range()
849 			if (err)  in mbind_range()
853 			err = split_vma(vma->vm_mm, vma, vmend, 0);  in mbind_range()
854 			if (err)  in mbind_range()
858 		err = vma_replace_policy(vma, new_pol);  in mbind_range()
859 		if (err)  in mbind_range()
864 	return err;  in mbind_range()
931 	int err;  in lookup_node()  local
934 	err = get_user_pages_locked(addr & PAGE_MASK, 1, 0, &p, &locked);  in lookup_node()
935 	if (err > 0) {  in lookup_node()
936 		err = page_to_nid(p);  in lookup_node()
941 	return err;  in lookup_node()
948 	int err;  in do_get_mempolicy()  local
1000 			err = lookup_node(mm, addr);  in do_get_mempolicy()
1001 			if (err < 0)  in do_get_mempolicy()
1003 			*policy = err;  in do_get_mempolicy()
1008 			err = -EINVAL;  in do_get_mempolicy()
1021 	err = 0;  in do_get_mempolicy()
1038 	return err;  in do_get_mempolicy()
1082 	int err = 0;  in migrate_to_node()  local
1101 		err = migrate_pages(&pagelist, alloc_migration_target, NULL,  in migrate_to_node()
1103 		if (err)  in migrate_to_node()
1107 	return err;  in migrate_to_node()
1120 	int err = 0;  in do_migrate_pages()  local
1200 		err = migrate_to_node(mm, source, dest, flags);  in do_migrate_pages()
1201 		if (err > 0)  in do_migrate_pages()
1202 			busy += err;  in do_migrate_pages()
1203 		if (err < 0)  in do_migrate_pages()
1209 	if (err < 0)  in do_migrate_pages()
1210 		return err;  in do_migrate_pages()
1281 	int err;  in do_mbind()  local
1330 			err = mpol_set_nodemask(new, nmask, scratch);  in do_mbind()
1331 			if (err)  in do_mbind()
1334 			err = -ENOMEM;  in do_mbind()
1337 	if (err)  in do_mbind()
1344 		err = ret;  in do_mbind()
1348 	err = mbind_range(mm, start, end, new);  in do_mbind()
1350 	if (!err) {  in do_mbind()
1362 			err = -EIO;  in do_mbind()
1374 	return err;  in do_mbind()
1464 	int err;  in kernel_mbind()  local
1475 	err = get_nodes(&nodes, nmask, maxnode);  in kernel_mbind()
1476 	if (err)  in kernel_mbind()
1477 		return err;  in kernel_mbind()
1492 	int err;  in kernel_set_mempolicy()  local
1502 	err = get_nodes(&nodes, nmask, maxnode);  in kernel_set_mempolicy()
1503 	if (err)  in kernel_set_mempolicy()
1504 		return err;  in kernel_set_mempolicy()
1521 	int err;  in kernel_migrate_pages()  local
1532 	err = get_nodes(old, old_nodes, maxnode);  in kernel_migrate_pages()
1533 	if (err)  in kernel_migrate_pages()
1536 	err = get_nodes(new, new_nodes, maxnode);  in kernel_migrate_pages()
1537 	if (err)  in kernel_migrate_pages()
1545 		err = -ESRCH;  in kernel_migrate_pages()
1550 	err = -EINVAL;  in kernel_migrate_pages()
1558 		err = -EPERM;  in kernel_migrate_pages()
1566 		err = -EPERM;  in kernel_migrate_pages()
1575 	err = security_task_movememory(task);  in kernel_migrate_pages()
1576 	if (err)  in kernel_migrate_pages()
1583 		err = -EINVAL;  in kernel_migrate_pages()
1587 	err = do_migrate_pages(mm, old, new,  in kernel_migrate_pages()
1594 	return err;  in kernel_migrate_pages()
1617 	int err;  in kernel_get_mempolicy()  local
1626 	err = do_get_mempolicy(&pval, &nodes, addr, flags);  in kernel_get_mempolicy()
1628 	if (err)  in kernel_get_mempolicy()
1629 		return err;  in kernel_get_mempolicy()
1635 		err = copy_nodes_to_user(nmask, maxnode, &nodes);  in kernel_get_mempolicy()
1637 	return err;  in kernel_get_mempolicy()
1654 	long err;  in COMPAT_SYSCALL_DEFINE5()  local
1665 	err = kernel_get_mempolicy(policy, nm, nr_bits+1, addr, flags);  in COMPAT_SYSCALL_DEFINE5()
1667 	if (!err && nmask) {  in COMPAT_SYSCALL_DEFINE5()
1670 		err = copy_from_user(bm, nm, copy_size);  in COMPAT_SYSCALL_DEFINE5()
1672 		err |= clear_user(nmask, ALIGN(maxnode-1, 8) / 8);  in COMPAT_SYSCALL_DEFINE5()
1673 		err |= compat_put_bitmap(nmask, bm, nr_bits);  in COMPAT_SYSCALL_DEFINE5()
1676 	return err;  in COMPAT_SYSCALL_DEFINE5()
2712 	int err;  in mpol_set_shared_policy()  local
2727 	err = shared_policy_replace(info, vma->vm_pgoff, vma->vm_pgoff+sz, new);  in mpol_set_shared_policy()
2728 	if (err && new)  in mpol_set_shared_policy()
2730 	return err;  in mpol_set_shared_policy()
2893 	int err = 1, mode;  in mpol_parse_str()  local
2949 			err = 0;  in mpol_parse_str()
2994 	err = 0;  in mpol_parse_str()
3002 	if (!err)  in mpol_parse_str()
3004 	return err;  in mpol_parse_str()