Virtual Memory (2)
Implementation of Virtual memory
Paging
Paging is presently most common
Segmentation
Typically very simple
Probably better suited to behavior of process, although it can be
harder to use and harder to implement
Combined paging and segmentation
Support needed for Virtual Memory
Hardware Support
Memory Management Unit (MMU)
Translation Lookaside Buffer (TLB)
OS Support
Virtual memory system to control the MMU and TLB
评论0
最新资源