Peter Zijlstra <pet...@infradead.org> writes:

> On Thu, Jun 06, 2019 at 10:21:01AM -0700, bseg...@google.com wrote:
>> diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
>> index efa686eeff26..60219acda94b 100644
>> --- a/kernel/sched/sched.h
>> +++ b/kernel/sched/sched.h
>> @@ -356,6 +356,7 @@ struct cfs_bandwidth {
>>      u64                     throttled_time;
>>  
>>      bool                    distribute_running;
>> +    bool                    slack_started;
>>  #endif
>>  };
>
> I'm thinking we can this instead? afaict both idle and period_active are
> already effecitively booleans and don't need the full 16 bits.
>
> --- a/kernel/sched/sched.h
> +++ b/kernel/sched/sched.h
> @@ -338,8 +338,10 @@ struct cfs_bandwidth {
>       u64                     runtime_expires;
>       int                     expires_seq;
>  
> -     short                   idle;
> -     short                   period_active;
> +     u8                      idle;
> +     u8                      period_active;
> +     u8                      distribute_running;
> +     u8                      slack_started;
>       struct hrtimer          period_timer;
>       struct hrtimer          slack_timer;
>       struct list_head        throttled_cfs_rq;
> @@ -348,9 +350,6 @@ struct cfs_bandwidth {
>       int                     nr_periods;
>       int                     nr_throttled;
>       u64                     throttled_time;
> -
> -     bool                    distribute_running;
> -     bool                    slack_started;
>  #endif
>  };
>  


Yeah, that makes sense to me, should I spin up another version of the
patch doing this too or do you have it from here?

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