BITSET_ALLOC
sc->msi_bitmap = BITSET_ALLOC(sc->msi_bitmap_size, M_GICP, M_WAITOK);
qp->cids = BITSET_ALLOC(NUM_CIDS, M_NVMFT, M_WAITOK | M_ZERO);
umap->err = BITSET_ALLOC(num, M_PRIVCMD, M_WAITOK | M_ZERO);
state.dump_bitset = BITSET_ALLOC(vm_page_dump_pages, M_TEMP,