MTTY_RBUF_SIZE    820 dev/sbus/magma.c 		mp->mp_rbuf = malloc(MTTY_RBUF_SIZE, M_DEVBUF, M_NOWAIT);
MTTY_RBUF_SIZE    824 dev/sbus/magma.c 		mp->mp_rend = mp->mp_rbuf + MTTY_RBUF_SIZE;