Messages in this thread | | | Date | Fri, 11 Apr 2003 12:57:27 -0400 | From | Chuck Ebbert <> | Subject | Re: [RFC] first try for swap prefetch |
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John Bradford wrote:
> We could possibly avoid this by swapping the pages back >in after one minute of inactivity, then letting the >disk spin down.
Why not also write pages out to swap before it's really necessary? If they were left mapped but marked as having up-to-date copies on swap, they could be discarded immediately if the system needed memory. (Of course if they got written to they would have to be paged out again.)
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