Dirty bit
Describe Dirty bit?
Expert
Dirty bit: one bit for each of the page frame, set by hardware when the page is changed. If a dirty page is replaced, it has to be written to disk before its page frame is reused.
Normal 0 false false
Over-approximation: Over-approximation occurs when there are more behaviors in the abstract system than the concrete system. This approach provides a popular class of weakly preserving abstractions for properties that hold on all paths of a program (e
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