page fault
page fault
page fault
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Page ReplacementPrevent over-allocation of memory by modifying <strong>page</strong>-<strong>fault</strong>service routine to include <strong>page</strong> replacement Use modify (dirty) bit to reduce overhead of <strong>page</strong> transfers –only modified <strong>page</strong>s are written to diskPage replacement completes separation between logicalmemory and physical memory – large virtual memory can beprovided on a smaller physical memory
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