Slide 1Page Replacement CS 537 - Introduction to Operating Systems Slide 2 Paging Revisitted If a page is not in physical memory –find the page on disk –find a free frame…

Slide 1CS162 Operating Systems and Systems Programming Lecture 15 Page Allocation and Replacement October 21, 2009 Prof. John Kubiatowicz http://inst.eecs.berkeley.edu/~cs162…

Slide 1Silberschatz, Galvin and Gagne 2002 10.1 Operating System Concepts Chapter 10: Virtual Memory Background Demand Paging Process Creation Page Replacement Allocation…

Slide 1Background Virtual memory – separation of user logical memory from physical memory. Only part of the program needs to be in memory for execution. Logical address…

Slide 1Chapter 9: Virtual Memory Slide 2 Background Demand Paging Copy-on-Write Page Replacement Allocation of Frames Thrashing Memory-Mapped Files Allocating Kernel Memory…

Slide 1Virtual Memory 1 Computer Organization II CS@VT ©2005-2013 McQuain Virtual Memory Use main memory as a cache for secondary (disk) storage – Managed jointly by CPU…

Slide 1Dr. Kalpakis CMSC 421, Operating Systems http://www.csee.umbc.edu/~kalpakis/Courses/421 Virtual Memory Slide 2 CMSC 421 2 Outline Background Demand Paging Process…

Slide 1 Slide 2 Background Often, only part of a running program actually needs to be in memory. The ability to execute a program only partially in memory would provide many…

Slide 1 1 School of Computing Science Simon Fraser University CMPT 300: Operating Systems I Ch 9: Virtual Memory Dr. Mohamed Hefeeda Slide 2 2 Objectives  Understand virtual…

Slide 1CSC139 Operating Systems Lecture 15 Page Allocation and Replacement Adapted from Prof. John Kubiatowicz's lecture notes for CS162 http://inst.eecs.berkeley.edu/~cs162…