1587 	int err;  in do_move_pages_to_node()  local
1593 	err = migrate_pages(pagelist, alloc_migration_target, NULL,  in do_move_pages_to_node()
1595 	if (err)  in do_move_pages_to_node()
1597 	return err;  in do_move_pages_to_node()
1615 	int err;  in add_page_for_migration()  local
1618 	err = -EFAULT;  in add_page_for_migration()
1627 	err = PTR_ERR(page);  in add_page_for_migration()
1631 	err = -ENOENT;  in add_page_for_migration()
1635 	err = 0;  in add_page_for_migration()
1639 	err = -EACCES;  in add_page_for_migration()
1645 			err = isolate_hugetlb(page, pagelist);  in add_page_for_migration()
1646 			if (!err)  in add_page_for_migration()
1647 				err = 1;  in add_page_for_migration()
1653 		err = isolate_lru_page(head);  in add_page_for_migration()
1654 		if (err)  in add_page_for_migration()
1657 		err = 1;  in add_page_for_migration()
1672 	return err;  in add_page_for_migration()
1679 	int err;  in move_pages_and_store_status()  local
1684 	err = do_move_pages_to_node(mm, pagelist, node);  in move_pages_and_store_status()
1685 	if (err) {  in move_pages_and_store_status()
1694 		if (err > 0)  in move_pages_and_store_status()
1695 			err += nr_pages - i - 1;  in move_pages_and_store_status()
1696 		return err;  in move_pages_and_store_status()
1714 	int err = 0, err1;  in do_pages_move()  local
1723 		err = -EFAULT;  in do_pages_move()
1730 		err = -ENODEV;  in do_pages_move()
1736 		err = -EACCES;  in do_pages_move()
1744 			err = move_pages_and_store_status(mm, current_node,  in do_pages_move()
1746 			if (err)  in do_pages_move()
1756 		err = add_page_for_migration(mm, addr, current_node,  in do_pages_move()
1759 		if (err > 0) {  in do_pages_move()
1768 		err = store_status(status, i, err ? : current_node, 1);  in do_pages_move()
1769 		if (err)  in do_pages_move()
1772 		err = move_pages_and_store_status(mm, current_node, &pagelist,  in do_pages_move()
1774 		if (err)  in do_pages_move()
1782 	if (err >= 0)  in do_pages_move()
1783 		err = err1;  in do_pages_move()
1786 	return err;  in do_pages_move()
1803 		int err = -EFAULT;  in do_pages_stat_array()  local
1812 		err = PTR_ERR(page);  in do_pages_stat_array()
1816 		err = page ? page_to_nid(page) : -ENOENT;  in do_pages_stat_array()
1818 		*status = err;  in do_pages_stat_array()
1918 	int err;  in kernel_move_pages()  local
1933 		err = do_pages_move(mm, task_nodes, nr_pages, pages,  in kernel_move_pages()
1936 		err = do_pages_stat(mm, nr_pages, pages, status);  in kernel_move_pages()
1939 	return err;  in kernel_move_pages()