Computer Organisation and Architecture - Vol 3 | 11. Lecture – 28: Paging and Segmentation by Abraham | Learn Smarter
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Knowledge
11. Lecture – 28: Paging and Segmentation

The chapter discusses the mechanisms of virtual memory management, specifically focusing on paging and segmentation. It explains how virtual addresses are converted to physical addresses through page tables, detailing the structure and size of these tables in modern computing systems. Additionally, it explores the use of page table length registers and the dual-segment model to efficiently manage virtual memory for processes that grow dynamically over time.

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Sections

  • 11.1

    Computer Organization And Architecture: A Pedagogical Aspect

    This section explores the concepts of paging, segmentation, and the structure of virtual memory management in computer architecture.

    Learning Practice

  • 11.1.1

    Lecture – 28: Paging And Segmentation

    This section discusses the mechanisms of paging and segmentation in virtual memory management, detailing how virtual addresses are mapped to physical addresses.

    Learning Practice

  • 11.2

    Discussion On Virtual Memory

    The section explores the concept of virtual memory, focusing on the mechanisms of address translation through paging and its practical implications in memory management.

    Learning Practice

  • 11.2.1

    Virtual Address Generation

    This section explains how virtual addresses are generated and mapped to physical addresses in a computer's memory.

    Learning Practice

  • 11.2.2

    Page Table Structure

    This section discusses the structure of page tables in virtual memory and their role in mapping virtual addresses to physical addresses.

    Learning Practice

  • 11.2.3

    Physical Page Frame Number Mapping

    This section discusses how virtual addresses generated by the CPU are converted to physical addresses through a page table mechanism involving valid bits and offsets.

    Learning Practice

  • 11.3

    Page Table Size And Memory Consumption

    This section discusses how virtual addresses are mapped to physical addresses through page tables and the implications for memory consumption.

    Learning Practice

  • 11.3.1

    Page Table Size And Entries

    This section discusses the structure and size of page tables in virtual memory systems, specifically how addresses are mapped between virtual and physical memory.

    Learning Practice

  • 11.3.2

    Page Table Length Register

    The Page Table Length Register (PTLR) enables efficient management of virtual memory by indicating the current size of a process's virtual address space.

    Learning Practice

  • 11.3.3

    Managing Virtual Memory Growth

    This section discusses how virtual memory can grow in processes and how page tables help manage memory efficiently.

    Learning Practice

  • 11.4

    Handling Virtual Memory Growth

    This section explores how virtual memory grows alongside a process, detailing the structures used to manage memory mapping effectively.

    Learning Practice

  • 11.4.1

    Two-Direction Growth Problem

    In this section, we explore the Two-Direction Growth Problem in virtual memory management, highlighting how stack and heap segments grow and the challenges faced in mapping them effectively.

    Learning Practice

  • 11.4.2

    Separate Page Tables For Segments

    This section discusses the necessity and function of separate page tables for virtual memory segments in a computer system architecture.

    Learning Practice

  • 11.4.3

    Using Segmentation With Paging

    This section explores the process of translating virtual addresses to physical addresses using segmentation and paging.

    Learning Practice

  • 11.5

    Virtual Address Structure

    This section discusses the virtual address structure used in computer memory management, specifically focusing on the division of virtual addresses into page offset and virtual page number, and the role of page tables.

    Learning Practice

  • 11.5.1

    Three-Part Virtual Address

    This section discusses the structure and function of a three-part virtual address in relation to memory management through paging and segmentation.

    Learning Practice

  • 11.5.2

    Indexing Into Segment Table

    This section delves into the intricacies of virtual memory management using paging and segmentation, particularly focusing on the indexing process in page tables.

    Learning Practice

References

30 part a.pdf

Class Notes

Memorization

What we have learnt

  • Virtual addresses consist o...
  • Each process has a separate...
  • Page tables can be large, c...

Final Test

Revision Tests