Z2MINOR_COUNT     378 drivers/block/z2ram.c     blk_register_region(MKDEV(Z2RAM_MAJOR, 0), Z2MINOR_COUNT, THIS_MODULE,
Z2MINOR_COUNT     394 drivers/block/z2ram.c     blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), Z2MINOR_COUNT);