The principal advantage is a savings in physical memory space. This occurs for two reasons: (1) a user page table can be paged in to memory only when it is needed. (2) The operating system can allocate user page tables dynamically, creating one only when the process is created. Of course, there is a disadvantage: address translation requires extra work.
The principal advantage is a savings in physical memory space. This occurs for two reasons: (1) a user page table can be paged in to memory only when it is needed. (2) The operating system can allocate user page tables dynamically, creating one only when the process is created. Of course, there is a disadvantage: address translation requires extra work.
Chapter11: Operating Systems
Section: Chapter Questions
Problem 21VE
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