内存管理单位，把虚地址转化为物理地址并且提供访问许可控制。

MMU Memory Management Unit, translates virtual to physical addresses and provides access permission control.

youdao

内存管理单位，把虚地址转化为物理地址并且提供访问许可控制。

MMU Memory Management Unit, translates virtual to physical addresses and provides access permission control.

youdao