linux-kernel - Re: [PATCH v3 1/9] sched/fair: find_idlest_group(): Remove unused sd

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Date:   Thu, 16 Apr 2020 09:40:22 +0200
From:   Vincent Guittot <vincent.guittot@...aro.org>
To:     Valentin Schneider <valentin.schneider@....com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>
Subject: Re: [PATCH v3 1/9] sched/fair: find_idlest_group(): Remove unused
 sd_flag parameter

On Wed, 15 Apr 2020 at 23:05, Valentin Schneider
<valentin.schneider@....com> wrote:
>
> The last use of that parameter was removed by commit
>
>   57abff067a08 ("sched/fair: Rework find_idlest_group()")
>
> Get rid of the parameter.
>
> Reviewed-by: Dietmar Eggemann <dietmar.eggemann@....com>
> Signed-off-by: Valentin Schneider <valentin.schneider@....com>

This patch is not directly related to others

Reviewed-by: Vincent Guittot <vincent.guittot@...aro.org>

> ---
>  kernel/sched/fair.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 02f323b85b6d..98321d8dde7e 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -5821,8 +5821,7 @@ static int wake_affine(struct sched_domain *sd, struct task_struct *p,
>  }
>
>  static struct sched_group *
> -find_idlest_group(struct sched_domain *sd, struct task_struct *p,
> -                 int this_cpu, int sd_flag);
> +find_idlest_group(struct sched_domain *sd, struct task_struct *p, int this_cpu);
>
>  /*
>   * find_idlest_group_cpu - find the idlest CPU among the CPUs in the group.
> @@ -5905,7 +5904,7 @@ static inline int find_idlest_cpu(struct sched_domain *sd, struct task_struct *p
>                         continue;
>                 }
>
> -               group = find_idlest_group(sd, p, cpu, sd_flag);
> +               group = find_idlest_group(sd, p, cpu);
>                 if (!group) {
>                         sd = sd->child;
>                         continue;
> @@ -8677,8 +8676,7 @@ static bool update_pick_idlest(struct sched_group *idlest,
>   * Assumes p is allowed on at least one CPU in sd.
>   */
>  static struct sched_group *
> -find_idlest_group(struct sched_domain *sd, struct task_struct *p,
> -                 int this_cpu, int sd_flag)
> +find_idlest_group(struct sched_domain *sd, struct task_struct *p, int this_cpu)
>  {
>         struct sched_group *idlest = NULL, *local = NULL, *group = sd->groups;
>         struct sg_lb_stats local_sgs, tmp_sgs;
> --
> 2.24.0
>