虽然为了兼容性目的指定主设备号和副号码作为参数是可能的,但不再需要这样了。
While it's possible to specify a major and minor number as arguments for compatibility purposes, this is no longer required.
与帧缓冲区有关的设备是 /dev/fb0(主设备号 29,次设备号 0)。
The device associated with the frame buffer is /dev/fb0 (Major Number 29, Minor Number 0).
当设备节点(特殊文件)创建后,它使用的主设备号必须同内核内部使用的完全相同。
When the device node (special file) is created, it must sport the exact same major number that is used internally by the kernel.
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