gnttab_count_grant 746 drivers/block/xen-blkfront.c num_grant += gnttab_count_grant(sg->offset, sg->length); gnttab_count_grant 528 drivers/net/xen-netfront.c slots = gnttab_count_grant(offset_in_page(skb->data), gnttab_count_grant 539 drivers/net/xen-netfront.c slots += gnttab_count_grant(offset, size);