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Chapter 9: Virtual Memory

Chapter 9: Virtual Memory

Chapter 9: Virtual Memory. Chapter 9: Virtual Memory. Background Demand Paging Copy-on-Write Page Replacement Allocation of Frames Thrashing Memory-Mapped Files Allocating Kernel Memory Other Considerations Operating-System Examples. Objectives.

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864 views • 72 slides
Background

Background

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578 views • 53 slides
Background

Background

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533 views • 53 slides
Operating Systems

Operating Systems

Operating Systems. Page Replacement Algorithms. Virtual Memory Management. Background Demand Paging Demand Segmentation Paging Considerations Page Replacement Algorithms Virtual Memory Policies. Page Replacement Algorithms. Want lowest page-fault rate.

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566 views • 34 slides
Operating Systems

Operating Systems

Operating Systems. Page Replacement Algorithms. Virtual Memory Management. Background Demand Paging Demand Segmentation Paging Considerations Page Replacement Algorithms Virtual Memory Policies. Page Replacement Algorithms. Want lowest page-fault rate.

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346 views • 34 slides
Allocation of Frames & Thrashing (Virtual Memory)

Allocation of Frames & Thrashing (Virtual Memory)

Allocation of Frames & Thrashing (Virtual Memory). LRU Algorithm. Reference string: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5 Counter implementation: Every page entry has a counter; every time page is referenced through this entry, copy the clock into the counter.

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1.14k views • 23 slides
Allocation of Frames & Thrashing (Virtual Memory)

Allocation of Frames & Thrashing (Virtual Memory)

Allocation of Frames & Thrashing (Virtual Memory). LRU Algorithm. Reference string: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5 Counter implementation: Every page entry has a counter; every time page is referenced through this entry, copy the clock into the counter.

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264 views • 23 slides

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