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    SubjectRe: [PATCH 1/3] writeback: Account for time spent congestion_waited
    On Thu, Aug 26, 2010 at 04:14:14PM +0100, Mel Gorman wrote:
    > There is strong evidence to indicate a lot of time is being spent in
    > congestion_wait(), some of it unnecessarily. This patch adds a
    > tracepoint for congestion_wait to record when congestion_wait() occurred
    > and how long was spent.
    > Signed-off-by: Mel Gorman <>

    Reviewed-by: Johannes Weiner <>

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      Last update: 2010-08-26 20:13    [W:0.041 / U:74.316 seconds]
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