The real address is the address generated when virtual to physical address translation is disabled.
实地址就是当禁用了虚拟地址到物理地址的转换时所生成的地址。
As mentioned before, memory addresses that are referred by a process are virtual addresses and require translation to the physical address.
如前所述，进程所引用的内存地址是虚拟地址，需要将其转换成物理地址。
In order to optimize performance, including speed and the usage of its memory, CPU usually hires a Translation Lookaside Buffer(TLB) to translate the virtual address into physical address.
为了提高CPU的速度和更有效的管理物理内存，一般都采用转换查找缓冲器（TLB）将虚拟地址转换为物理地址。
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