* @dma_index: index in the umem to add the dma to.
* @page: the page struct to map and add.
* @access_mask: access permissions needed for this page.
- * @current_seq: sequence number for synchronization with invalidations.
- * the sequence number is taken from
- * umem_odp->notifiers_seq.
*
* The function returns -EFAULT if the DMA mapping operation fails.
*