TAILIEUCHUNG - Lecture Operating systems: Internals and design principles (6/E): Chapter 7 - William Stallings

Chapter 7 - Memory management. After studying this chapter, you should be able to: Discuss the principal requirements for memory management, understand the reason for memory partitioning and explain the various techniques that are used, understand and explain the concept of paging,. | Chapter 7 Memory Management Operating Systems: Internals and Design Principles, 6/E William Stallings Patricia Roy Manatee Community College, Venice, FL ©2008, Prentice Hall These slides are intended to help a teacher develop a presentation. This powerpoint covers the entire chapter and includes too many slides for a single delivery. Professors are encouraged to adapt this presentation in ways which are best suited for their students and environment. 1 Roadmap Basic requirements of Memory Management Memory Partitioning Basic blocks of memory management Paging Segmentation Overview of points covered in this chapter Point out that memory partitioning isn’t used much except for special cases such as kernel memory management 2 The need for memory management Memory is cheap today, and getting cheaper But applications are demanding more and more memory, there is never enough! Memory Management, involves swapping blocks of data from secondary storage. Memory I/O is slow compared to a CPU .

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