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    SubjectRe: [RFC] first try for swap prefetch
    On Fri, 11 Apr 2003, John Bradford wrote:

    > Actually, it could potentially do something very useful - if you are
    > using a laptop, or other machine where disks are spun down to save
    > power, you might be swapping in data while the disk still happens to
    > be spinning, rather than letting it spin down, then having to spin it
    > up again - in that instance you are definitely gaining something,
    > (more battery life).

    That sounds like a rather short disk spin down time (in which case you
    might not be gaining all that much battery life given the constant spin
    up/down), either that or you're paging in way too much stuff.

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