On Thu, Aug 31, 2017 at 12:58:02PM +0100, Brendan Jackman wrote: > find_idlest_group returns NULL when the local group is idlest. The > caller then continues the find_idlest_group search at a lower level > of the current CPU's sched_domain hierarchy. find_idlest_group_cpu is > not consulted and, crucially, @new_cpu is not updated. This means the > search is pointless and we return @prev_cpu from select_task_rq_fair. > > This is fixed by initialising @new_cpu to @cpu instead of > @prev_cpu. >
Reviewed-by: Josef Bacik <[email protected]> Thanks, Josef
