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Page reference string - PowerPoint PPT Presentation

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Outline. Objective for today: Replacement policies. Policies for Paged Virtual Memory. The OS tries to minimize page fault costs incurred by all processes, balancing fairness, system throughput, etc. (1) fetch policy : When are pages brought into memory?

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499 views • 49 slides

Memory Management Virtual Memory Page replacement algorithms

Memory Management Virtual Memory Page replacement algorithms. Chapter 4 Sec. 4.4. Structure of a page table entry. Issues with page tables. They can be very large It takes more time to access a memory location Virtual page first has to be mapped to its corresponding physical frame

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629 views • 29 slides

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Page reference string - PowerPoint PPT Presentation

Outline

Memory Management Virtual Memory Page replacement algorithms