Memory Management: Main Memory

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MEMORY MANAGEMENT: MAIN MEMORY

description

Mapúa Institute of Technology Computer Engineering Department Principles of Operating Systems MEMORY MANAGEMENT: MAIN MEMORY By: Lady Krista V. Rigor COE127/B1 1st Term, SY 2014-2015 References: Main Memory. (n.d.) Retrieved from http://www.cs.uic.edu/~jbell/CourseNotes/OperatingSystems/8_MainMemory.html OS Memory Management. (2014). Retrieved from http://www.tutorialspoint.com/operating_system/os_memory_ma nagement.htm McHoes, A. M. and I. Flynn. (2011). Understanding Operating Systems (6th ed.). Boston: Cengage Learning. Silberschatz, A. et al. (2005). Operating System Concepts. New Jersey: John Wiley & Sons, Inc.

Transcript of Memory Management: Main Memory

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MEMORY MANAGEMENT:MAIN MEMORY

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Recap

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Recap

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Recap

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Recap

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Recap

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Objectives

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Outline

MAIN MEMORY

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BACKGROUND

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Background

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Background

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Outline

Background

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Basic Hardware

Background

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Basic Hardware

Background

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Basic Hardware

Background

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Basic Hardware

Background

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Address Binding

Background

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Address Binding

Background

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Logical vs Physical Address Space

Background

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Logical vs Physical Address Space

Background

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Logical vs Physical Address Space

Background

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Logical vs Physical Address Space

Background

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Logical vs Physical Address Space

Background

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Dynamic Loading

Background

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Dynamic Loading

Background

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Dynamic Linking and Shared Libraries

Background

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Dynamic Linking and Shared Libraries

Background

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Dynamic Linking and Shared Libraries

Background

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SWAPPING

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Swapping

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Swapping

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Outline

Swapping

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Standard Swapping

Swapping

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Standard Swapping

Swapping

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Standard Swapping

Swapping

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Standard Swapping

Swapping

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CONTIGUOUS MEMORY ALLOCATION

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Contiguous Memory Allocation

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Outline

Contiguous Memory Allocation

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Memory Mapping and Protection

Contiguous Memory Allocation

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Memory Mapping and Protection

Contiguous Memory Allocation

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Memory Allocation

Contiguous Memory Allocation

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Memory Allocation

Contiguous Memory Allocation

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Fragmentation

Contiguous Memory Allocation

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Fragmentation

Contiguous Memory Allocation

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Fragmentation

Contiguous Memory Allocation

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Fragmentation

Contiguous Memory Allocation

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Fragmentation

Contiguous Memory Allocation

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SEGMENTATION

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Outline

Segmentation

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Basic Method

Segmentation

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Basic Method

Segmentation

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Segmentation Hardware

Segmentation

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Segmentation Hardware

• ⇒

Segmentation

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Segmentation Hardware

Segmentation

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Segmentation Hardware

Segmentation

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PAGING

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Paging

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Paging

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Outline

Paging

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Basic Method

Paging

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Basic Method

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Basic Method

Paging

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Hardware Support

Paging

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Hardware Support

Paging

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Hardware Support

Paging

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Hardware Support

Paging

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Hardware Support

Paging

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Hardware Support

Paging

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Hardware Support

Paging

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Hardware Support

Paging

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Hardware Support

Paging

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Hardware Support

α

• α ε

Paging

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Hardware Support

Paging

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Hardware Support

• α•

• α ε

Paging

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Protection

Paging

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Protection

Paging

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Protection

Paging

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Protection

Paging

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Shared Pages

Paging

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Shared Pages

Paging

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Shared Pages

Paging

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Shared Pages

Paging

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STRUCTURE OF PAGE TABLE

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Structure of Page Table

Structure of Page Table

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Outline

Structure of Page Table

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Hierarchical Paging

Structure of Page Table

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Hierarchical Paging

Structure of Page Table

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Hierarchical Paging

Structure of Page Table

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Hierarchical Paging

Structure of Page Table

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Hierarchical Paging

Structure of Page Table

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Hierarchical Paging

Structure of Page Table

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Hierarchical Paging

Structure of Page Table

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Hierarchical Paging

Structure of Page Table

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Hashed Page Tables

Structure of Page Table

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Hashed Page Tables

Structure of Page Table

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Inverted Page Tables

Structure of Page Table

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Inverted Page Tables

Structure of Page Table

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Inverted Page Tables

Structure of Page Table

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Inverted Page Tables

Structure of Page Table

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EXAMPLE: THE INTEL PENTIUM

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Outline

Example: The Intel Pentium

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Pentium Segmentation

Example: The Intel Pentium

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Pentium Segmentation

Example: The Intel Pentium

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Pentium Segmentation

Example: The Intel Pentium

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Pentium Segmentation

Example: The Intel Pentium

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Pentium Segmentation

Example: The Intel Pentium

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Pentium Segmentation

Example: The Intel Pentium

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Pentium Paging

Example: The Intel Pentium

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Pentium Paging

Example: The Intel Pentium

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Pentium Paging

Example: The Intel Pentium

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Pentium Paging

Example: The Intel Pentium

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Pentium Paging

Example: The Intel Pentium

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