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  1. #1
    Just Joined!
    Join Date
    Dec 2005

    what does kswapd0 do??

    I'm tring to troubleshoot a suse box and I keep seeing this guy come up to the top and then go back down. It isn't consuming lots of cpu(I've found those errros through google) but I'm wondering what he does??

  2. #2

    Linux uses kswapd for virtual memory management such that pages that have been recently accessed are kept in memory and less active pages are paged out to disk.
    (what is a page?)...Linux uses manages memory in units called pages.
    So,the kswapd process regularly decreases the ages of unreferenced pages...and at the end they are paged out(moved out) to disk

    hope this helps,regards

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