Examples
Most modern systems divide memory into pages that are 4 KB to 64 KB in size, often with the possibility to use huge pages from 2 MB to 512 MB in size. Page translations are cached in a TLB. Some systems, mainly older RISC designs, trap into the OS when a page translation is not found in the TLB. Most systems use a hardware-based tree walker. Most systems allow the MMU to be disabled; some disable the MMU when trapping into OS code.
Read more about this topic: Memory Management Unit
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