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12:20pm Thu 10th Oct, Joshua N.

ANONYMOUS wrote:
> Hi, just making sure I understand correctly/ > In reality a page table for each process will be stored in RAM, however in this project only page frames can be stored on RAM - so I am assuming that we can use an array completely separate from main memory and secondary memory to store the page tables?
Yes.
> Also, I am confused what the difference between local and global LRU is, can someone explain?
Global means evict the page in RAM with the lowest "last_accessed" time. Local means evict the page from the same process in RAM with the lowest "last_accessed" time (e.g. If you are loading process 0 onto RAM and RAM is full and RAM contains other pages of process 0, then evict the page of process 0 with the lowest "last_accessed" time to make room for the new page on process 0).
> Thanks

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