DMAMAP_DMAMEM_ALLOC
if (map->flags & (DMAMAP_DMAMEM_ALLOC | DMAMAP_COHERENT | DMAMAP_MBUF))
KASSERT(map->flags & DMAMAP_DMAMEM_ALLOC ||
return (!(map->flags & DMAMAP_DMAMEM_ALLOC) &&
map->flags = DMAMAP_DMAMEM_ALLOC;
if (map->flags & DMAMAP_DMAMEM_ALLOC)