BUSMEM_SIZE
error = rumpcomp_shmif_mmap(memfd, BUSMEM_SIZE, &mem);
rumpuser_unmap(sc->sc_busmem, BUSMEM_SIZE);
p < (uint8_t *)sc->sc_busmem + BUSMEM_SIZE;
p < (uint8_t *)sc->sc_busmem + BUSMEM_SIZE;
rumpuser_unmap(sc->sc_busmem, BUSMEM_SIZE);
rumpuser_unmap(sc->sc_busmem, BUSMEM_SIZE);
#define BUSMEM_DATASIZE (BUSMEM_SIZE - sizeof(struct shmif_mem))