blobmsg_add_u64(&b, "total", info.mem_unit * info.totalswap);
blobmsg_add_u64(&b, "free", info.mem_unit * info.freeswap);
blobmsg_close_table(&b, c);
blobmsg_add_u64(&b, "total", info.mem_unit * info.totalswap);
blobmsg_add_u64(&b, "free", info.mem_unit * info.freeswap);
blobmsg_close_table(&b, c);