Background Demand Paging Copy-on-Write Page Replacement Allocation of Frames Thrashing Memory-Mapped Files Allocating Kernel Memory Other Considerations Operating-System Examples

1. Chapter 9: Virtual Memory

5. Virtual Memory That is Larger Than Physical Memory 

6. Virtual-address Space

7. Shared Library Using Virtual Memory

9. Transfer of a Paged Memory to Contiguous Disk Space

11. Page Table When Some Pages Are Not in Main Memory

14. Steps in Handling a Page Fault

19. Before Process 1 Modifies Page C

20. After Process 1 Modifies Page C

23. Need For Page Replacement

25. Page Replacement

27. Graph of Page Faults Versus The Number of Frames

29. FIFO Page Replacement

30. FIFO Illustrating Belady’s Anomaly

32. Optimal Page Replacement

34. LRU Page Replacement

36. Use Of A Stack to Record The Most Recent Page References

38. Second-Chance (clock) Page-Replacement Algorithm

45. Thrashing (Cont.)

47. Locality In A Memory-Reference Pattern

49. Working-set model

53. Memory Mapped Files

54. Memory-Mapped Shared Memory in Windows

57. Buddy System Allocator

59. Slab Allocation

65. Reason Why Frames Used For I/O Must Be In Memory

69. Solaris 2 Page Scanner

70. End of Chapter 9