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authorViresh Kumar2017-05-24 10:59:56 +0530
committerIngo Molnar2017-08-10 12:18:12 +0200
commit3a123bbbb10d54dbdde6ccbbd519c74c91ba2f52 (patch)
tree693187bed359dbb7fc08092fa1fdd02596c36779
parent9674f5cad22a590c865a330ce333026b9f9c078b (diff)
sched/fair: Drop always true parameter of update_cfs_rq_load_avg()
update_freq is always true and there is no need to pass it to update_cfs_rq_load_avg(). Remove it. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vincent Guittot <vincent.guittot@linaro.org> Cc: linaro-kernel@lists.linaro.org Link: http://lkml.kernel.org/r/2d28d295f3f591ede7e931462bce1bda5aaa4896.1495603536.git.viresh.kumar@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--kernel/sched/fair.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 30fd196c0cde..75c58c77450a 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -806,7 +806,7 @@ void post_init_entity_util_avg(struct sched_entity *se)
/*
* For !fair tasks do:
*
- update_cfs_rq_load_avg(now, cfs_rq, false);
+ update_cfs_rq_load_avg(now, cfs_rq);
attach_entity_load_avg(cfs_rq, se);
switched_from_fair(rq, p);
*
@@ -3320,7 +3320,6 @@ static inline void set_tg_cfs_propagate(struct cfs_rq *cfs_rq) {}
* update_cfs_rq_load_avg - update the cfs_rq's load/util averages
* @now: current time, as per cfs_rq_clock_task()
* @cfs_rq: cfs_rq to update
- * @update_freq: should we call cfs_rq_util_change() or will the call do so
*
* The cfs_rq avg is the direct sum of all its entities (blocked and runnable)
* avg. The immediate corollary is that all (fair) tasks must be attached, see
@@ -3334,7 +3333,7 @@ static inline void set_tg_cfs_propagate(struct cfs_rq *cfs_rq) {}
* call update_tg_load_avg() when this function returns true.
*/
static inline int
-update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq, bool update_freq)
+update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq)
{
struct sched_avg *sa = &cfs_rq->avg;
int decayed, removed_load = 0, removed_util = 0;
@@ -3362,7 +3361,7 @@ update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq, bool update_freq)
cfs_rq->load_last_update_time_copy = sa->last_update_time;
#endif
- if (update_freq && (decayed || removed_util))
+ if (decayed || removed_util)
cfs_rq_util_change(cfs_rq);
return decayed || removed_load;
@@ -3390,7 +3389,7 @@ static inline void update_load_avg(struct sched_entity *se, int flags)
if (se->avg.last_update_time && !(flags & SKIP_AGE_LOAD))
__update_load_avg_se(now, cpu, cfs_rq, se);
- decayed = update_cfs_rq_load_avg(now, cfs_rq, true);
+ decayed = update_cfs_rq_load_avg(now, cfs_rq);
decayed |= propagate_entity_load_avg(se);
if (decayed && (flags & UPDATE_TG))
@@ -3534,7 +3533,7 @@ static int idle_balance(struct rq *this_rq, struct rq_flags *rf);
#else /* CONFIG_SMP */
static inline int
-update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq, bool update_freq)
+update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq)
{
return 0;
}
@@ -6919,7 +6918,7 @@ static void update_blocked_averages(int cpu)
if (throttled_hierarchy(cfs_rq))
continue;
- if (update_cfs_rq_load_avg(cfs_rq_clock_task(cfs_rq), cfs_rq, true))
+ if (update_cfs_rq_load_avg(cfs_rq_clock_task(cfs_rq), cfs_rq))
update_tg_load_avg(cfs_rq, 0);
/* Propagate pending load changes to the parent, if any: */
@@ -6992,7 +6991,7 @@ static inline void update_blocked_averages(int cpu)
rq_lock_irqsave(rq, &rf);
update_rq_clock(rq);
- update_cfs_rq_load_avg(cfs_rq_clock_task(cfs_rq), cfs_rq, true);
+ update_cfs_rq_load_avg(cfs_rq_clock_task(cfs_rq), cfs_rq);
rq_unlock_irqrestore(rq, &rf);
}