Thrashing

Page Fault Frequency

PFF establishes upper and lower bounds on the desired page-fault rate

. If page faults below lower limit, take away a frame

If page faults above upper limit, allocate another frame to process

Other Considerations in Selections of a Replacement Algorithm and Allocation Policy

Pre-Paging, Page Size

Inverted Page Table

Program Structure

I/O Interlock, Real-Time Processing

Demand Segmentation

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