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SubjectRe: [PATCH] sched/fair: Fix negative imbalance in imbalance calculation
On Thu, Mar 26, 2020 at 01:42:29PM +0800, Aubrey Li wrote:
> A negative imbalance value was observed after imbalance calculation,
> this happens when the local sched group type is group_fully_busy,
> and the average load of local group is greater than the selected
> busiest group. Fix this problem by comparing the average load of the
> local and busiest group before imbalance calculation formula.
> Suggested-by: Vincent Guittot <>
> Signed-off-by: Aubrey Li <>
> Cc: Phil Auld <>

Acked-by: Mel Gorman <>

Mel Gorman

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