Re: [PATCH] sched/fair: fix imbalance overflow

[Peter Zijlstra]

On Tue, Apr 11, 2023 at 11:06:11AM +0200, Vincent Guittot wrote:
> When local group is fully busy but its average load is above system load,
> computing the imbalance will overflow and local group is not the best
> target for pulling this load.
> 
> Fixes: 0b0695f2b34a ("sched/fair: Rework load_balance()")
> Reported-by: Tingjia Cao <tjcao980311@xxxxxxxxx>
> Link: https://lore.kernel.org/lkml/CABcWv9_DAhVBOq2=W=2ypKE9dKM5s2DvoV8-U0+GDwwuKZ89jQ@xxxxxxxxxxxxxx/T/
> Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
> ---

Thanks, added Tested-by Tingjia per his reply.