Messages in this thread Patch in this message | | | From | Abel Vesa <> | Subject | [PATCH] sched: Fix compiler errors for NO_SMP machines | Date | Fri, 22 May 2015 22:48:14 +0300 |
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Trivial fixes forh machines without SMP.
Signed-off-by: Abel Vesa <abelvesa@gmail.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); - /* * The enqueue_task method is called before nr_running is * increased. Here we update the fair scheduling stats and @@ -4278,7 +4278,6 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags) { struct cfs_rq *cfs_rq; struct sched_entity *se = &p->se; - int task_new = !(flags & ENQUEUE_WAKEUP); for_each_sched_entity(se) { if (se->on_rq) @@ -4313,10 +4312,13 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags) if (!se) { update_rq_runnable_avg(rq, rq->nr_running); add_nr_running(rq, 1); - if (!task_new && !rq->rd->overutilized && +#ifdef CONFIG_SMP + if ((flags & ENQUEUE_WAKEUP) && !rq->rd->overutilized && cpu_overutilized(rq->cpu)) rq->rd->overutilized = true; +#endif } + hrtick_update(rq); } @@ -8497,8 +8499,10 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued) update_rq_runnable_avg(rq, 1); +#ifdef CONFIG_SMP if (!rq->rd->overutilized && cpu_overutilized(task_cpu(curr))) rq->rd->overutilized = true; +#endif } /* -- 1.9.1
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