dev_t rootdev
= makedev(0, 0);
dev_t pipedev
= makedev(0, 0);
dev_t argdev
= makedev(0, 1);
dev_t dumpdev
= makedev(0, 1);
int dumplo
= 33440 - 10 * 2048;
* Nswap is the basic number of blocks of swap per
* swap device, and is multiplied by nswdev after
* nswdev is determined at boot.
makedev(0, 1), 0, /* hp0b */
makedev(0, 9), 0, /* hp1b */
makedev(0, 17), 0, /* hp2b */