tailieunhanh - Operating System Concepts - Chapter 9: Virtual Memory

Background Demand Paging Copy-on-Write Page Replacement Allocation of Frames Thrashing Memory-Mapped Files Allocating Kernel Memory Other Considerations Operating-System Examples Silberschatz, Galvin and Gagne ©2005 .Objectives To describe the benefits of a virtual memory system To explain the concepts of demand paging, page-replacement algorithms, and allocation of page frames To discuss the principle of the working-set model Virtual memory – separation of user logical memory from physical memory | Chapter 9 Virtual Memory Chapter 9 Virtual Memory Background Demand Paging Copy-on-Write Page Replacement Allocation of Frames Thrashing Memory-Mapped Files Allocating Kernel Memory Other Considerations Operating-System Examples Operating System Concepts - 7th Edition Feb 22 2005 Silberschatz Galvin and Gagne 2005 Objectives To describe the benefits of a virtual memory system To explain the concepts of demand paging page-replacement algorithms and allocation of page frames To discuss the principle of the working-set model Operating System Concepts - 7th Edition Feb 22 2005 Silberschatz Galvin and Gagne .