Computer Organisation and Architecture - Vol 3 | 10. Page Faults in Virtual Memory by Abraham | Learn Smarter
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10. Page Faults in Virtual Memory

This chapter delves into the functioning of virtual memory, specifically focusing on page faults and their management. It discusses the importance of page size in optimizing access time to memory and how page tables facilitate the mapping of virtual addresses to physical addresses. Additionally, the chapter covers various memory management techniques, including associative mapping and page replacement algorithms, to enhance the efficiency of memory access.

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Sections

  • 10.1

    Page Faults In Virtual Memory

    This section discusses page faults in virtual memory, including their causes, impacts, and strategies to minimize their occurrence.

    Learning Practice

  • 10.1.1

    Overview Of Page Faults

    Page faults occur when a virtual page number does not have a corresponding physical page, requiring data retrieval from secondary storage.

    Learning Practice

  • 10.1.2

    Impact Of Page Faults

    This section discusses the concept of page faults in virtual memory systems, highlighting their high penalties and strategies for reducing their occurrence.

    Learning Practice

  • 10.1.3

    Page Size Considerations

    This section discusses the importance of page sizes in virtual memory management, highlighting the trade-offs between page size, access times, and fragmentation.

    Learning Practice

  • 10.2

    Memory Management In Virtual Memory Systems

    This section discusses the mechanics of memory management in virtual memory systems, focusing on page faults, page sizes, and efficient memory usage.

    Learning Practice

  • 10.2.1

    Fully Associative Placement Vs. Set Associative Mapping

    This section discusses the differences between fully associative placement and set associative mapping in virtual memory systems, emphasizing their roles in handling page faults.

    Learning Practice

  • 10.2.2

    Handling Page Faults

    This section explains the concept of page faults in virtual memory systems, their implications, and strategies to minimize their occurrences.

    Learning Practice

  • 10.3

    Page Tables And Address Translation

    This section discusses page tables and their crucial role in virtual memory management, addressing page faults and the significance of physical memory mappings.

    Learning Practice

  • 10.3.1

    Structure Of Page Tables

    This section explores the structure of page tables, emphasizing their role in memory management and the handling of page faults.

    Learning Practice

  • 10.3.2

    Page Table Register

    This section details how page faults occur in virtual memory and the role of page table registers in translating virtual addresses to physical addresses.

    Learning Practice

  • 10.3.3

    Virtual Address To Physical Address Translation

    This section explores the translation of virtual addresses to physical addresses in computer memory, highlighting the implications of page faults.

    Learning Practice

  • 10.4

    Protection And Management In Page Tables

    This section focuses on the mechanisms of page tables in virtual memory, including page faults and associated management strategies.

    Learning Practice

  • 10.4.1

    Protection Information In Page Table Entries

    This section discusses the management of page faults in virtual memory and the role of page table entries in protecting memory access.

    Learning Practice

References

29 part b.pdf

Class Notes

Memorization

What we have learnt

  • Virtual memory is managed t...
  • Page faults occur when a re...
  • The size of pages can signi...

Final Test

Revision Tests