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I understand that we might need hierarchical paging to handle page tables with sizes greater than the size of one frame, but what is the use of Hashed Page tables then? I would understand if we were storing page-numbers and mapped frame numbers as $key-value$ pairs, because then hashing would make the process of accessing a particular $key-value$ pair much faster but can't we just store the base of the page table and add the virtual page number, go to that index of Page Table, and get the frame number anyway?

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