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3 cards from this section. Quick, good the night before a test.
What happens when a page fault occurs?
Think about what the OS does when a program can’t find its data.
Define a valid reference in the context of page faults.
Consider the limits of memory that a process can access.
What occurs during a page fault?
Remember the role of the OS in managing memory.
True or False: An invalid reference can be due to accessing memory outside the process address space.
Consider what an invalid reference signifies.
Given a scenario where there is continuous page faulting due to poor allocation, analyze its impact on system performance and suggest potential solutions.
Consider how frequent access to disk affects performance.
Design a page table structure that includes valid bits, dirty bits, and access control within an operating system's memory management routine.
Think about how access control can enhance security alongside performance.
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