Memory. Chapter 8: Memory Management Background Swapping Contiguous Memory Allocation Paging Structure of the Page Table Segmentation.
Silberschatz, Galvin and Gagne ©2011 Operating System Concepts Essentials – 8 th Edition Chapter 8: Virtual Memory.
Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8 th Edition Virtual Memory.
Silberschatz, Galvin and Gagne 2002 10.1 Operating System Concepts Chapter 10: Virtual Memory Background Demand Paging Process Creation Page Replacement.
Virtual Memory Why? The need of memory more than the available physical memory. Process 1 Process 3 Process 4 Process 2 Physical Memory.
Background Virtual memory – separation of user logical memory from physical memory. Only part of the program needs to be in memory for execution. Logical.
11 Chapter 4: Memory Instructor: Hengming Zou, Ph.D. In Pursuit of Absolute Simplicity.
Dr. Kalpakis CMSC 421, Operating Systems kalpakis/Courses/421 Virtual Memory.
Input & OutputCS-502 Fall 20071 Input and Output CS502 Operating Systems Fall 2007 (Slides include materials from Operating System Concepts, 7 th ed.,
Shared Pages Segmentation CPU Example Sharing of Segments.
UC Regents Spring 2014 © UCBCS 152 L12: Virtual Memory 2014-2-27 John Lazzaro (not a prof - “John” is always OK) CS 152 Computer Architecture and Engineering.
9.1 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8 th Edition Virtual Memory OSC: Chapter 9. Demand Paging Copy-on-Write Page Replacement.