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SubjectRe: [PATCH v2 3/4] sched/fair: Make task_fits_capacity() consider uclamp restrictions
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On 03/12/2019 16:59, Valentin Schneider wrote:

[...]

> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 08a233e97a01..dc3e86cb2b2e 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -3711,6 +3711,22 @@ static inline unsigned long task_util_est(struct task_struct *p)
> return max(task_util(p), _task_util_est(p));
> }
>
> +#ifdef CONFIG_UCLAMP_TASK
> +static inline
> +unsigned long uclamp_task_util(struct task_struct *p)
> +{
> + return clamp(task_util_est(p),
> + (unsigned long)uclamp_eff_value(p, UCLAMP_MIN),
> + (unsigned long)uclamp_eff_value(p, UCLAMP_MAX));
> +}
> +#else
> +static inline
> +unsigned long uclamp_task_util(struct task_struct *p)

[...]

Save some lines?

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index cc659a3944f1..ab921ee356a9 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3712,16 +3712,14 @@ static inline unsigned long task_util_est(struct
task_struct *p)
}

#ifdef CONFIG_UCLAMP_TASK
-static inline
-unsigned long uclamp_task_util(struct task_struct *p)
+static inline unsigned long uclamp_task_util(struct task_struct *p)
{
return clamp(task_util_est(p),
(unsigned long)uclamp_eff_value(p, UCLAMP_MIN),
(unsigned long)uclamp_eff_value(p, UCLAMP_MAX));
}
#else
-static inline
-unsigned long uclamp_task_util(struct task_struct *p)
+static inline unsigned long uclamp_task_util(struct task_struct *p)
{
return task_util_est(p);
}
[...]

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