linux-kernel - Re: [PATCH] sched: Fix compiler errors for NO

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Date:	Sat, 23 May 2015 16:52:23 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Abel Vesa <abelvesa@...il.com>
Cc:	morten.rasmussen@....com, peterz@...radead.org, mingo@...hat.com,
	vincent.guittot@...aro.org, Dietmar.Eggemann@....com,
	yuyang.du@...el.com, preeti@...ux.vnet.ibm.com,
	mturquette@...aro.org, rjw@...ysocki.net, Juri.Lelli@....com,
	sgurrappadi@...dia.com, pang.xunlei@....com.cn,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH] sched: Fix compiler errors for NO_SMP machines


* Abel Vesa <abelvesa@...il.com> wrote:

> Trivial fixes forh machines without SMP.
> 
> Signed-off-by: Abel Vesa <abelvesa@...il.com>
> ---
>  kernel/sched/fair.c | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index e6d32e6..dae3db7 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -672,6 +672,8 @@ static unsigned long task_h_load(struct task_struct *p);
>  static inline void __update_task_entity_contrib(struct sched_entity *se);
>  static inline void __update_task_entity_utilization(struct sched_entity *se);
>  
> +static bool cpu_overutilized(int cpu);
> +
>  /* Give new task start runnable values to heavy its load in infant time */
>  void init_task_runnable_average(struct task_struct *p)
>  {
> @@ -4266,8 +4268,6 @@ static inline void hrtick_update(struct rq *rq)
>  }
>  #endif
>  
> -static bool cpu_overutilized(int cpu);
> -

What tree is this against? Neither the upstream kernel nor 
tip:sched/core (the scheduler development tree) has this function.

Thanks,

	Ingo
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