On most systems, a driver enters a desired address, motorway junction or point of interest via a touch screen or disc.
在大多数系统中，驾驶员通过触摸屏或磁盘输入意愿的地址、高速公路交叉点或感兴趣的地点。
2
The Linux kernel occupies a single address space, which means that a failure of the kernel or any driver results in the entire operating system crashing.
Linux 内核占据了一个单一的地址空间，这意味着内核或任何驱动程序的故障都会导致整个操作系统的崩溃。
3
Within a driver, the mmap function is implemented through the remap_pfn_range kernel function, which provides a linear mapping of device memory into a user's address space.