ecorded.

The MMU also records whether a page has been modified since it was last paged in. If it has not been modified then there is no need to copy it back to disk and the space can be reused immediately.

Paging allows the total memory requirements of all running tasks (possibly just one) to exceed the amount of physical memory, whereas swapping simply allows multiple processes to run concurrently, so long as each process on its own fits within physical memory.

Last updated: 1996-11-22

Nearby terms:

, i.e. copying it to disk. Theecorded.sp Language PaiLisp and its Kernel

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