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    SubjectRe: [PATCH 3/4] vmstat: add anon_scan_ratio field to zoneinfo
    * KOSAKI Motohiro <> [2009-12-28 16:48:51]:

    > Vmscan folks was asked "why does my system makes so much swap-out?"
    > in lkml at several times.
    > At that time, I made the debug patch to show recent_anon_{scanned/rorated}
    > parameter at least three times.
    > Thus, its parameter should be showed on /proc/zoneinfo. It help
    > vmscan folks debugging.

    Hmmm.. I think this should come under DEBUG_VM, a lot of tools use
    /proc/zoneinfo, the additional overhead may be high.. no? Also,
    I would recommend adding the additional details to the end, so
    as to not break existing tools (specifically dump line # based


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