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    Subjectswapping and cache usage
    Why does Linux 2.2(.12) swap memory for "running" programs to disk, in
    favor of disk cache? (The programs were X apps, in sleep state, but
    hadn't been so for more than a few seconds.)

    What happens is that when you move the X mouse cursor again, there's a
    ~ .5s delay when kernel reloads disk-swap memory. Very annoying,
    especially since there's only 5 MB of program memory, and the other
    123 MB is used for cached disk data (128 MB total on this system).

    Output from `free' during the copying:

    total used free shared buffers cached
    Mem: 128112 126432 1680 9144 2620 115708
    -/+ buffers/cache: 8104 120008
    Swap: 80288 12192 68096

    If I should provide more information, please send email to the address

    Oskar Liljeblad (

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