[PATCHv4 07/12] sched: Change root_domain->overload type to int

From: Morten Rasmussen
Date: Wed Jul 04 2018 - 06:18:29 EST


From: Valentin Schneider <valentin.schneider@xxxxxxx>

sizeof(_Bool) is implementation defined, so let's just go with 'int' as
is done for other structures e.g. sched_domain_shared->has_idle_cores.

The local 'overload' variable used in update_sd_lb_stats can remain
bool, as it won't impact any struct layout and can be assigned to the
root_domain field.

cc: Ingo Molnar <mingo@xxxxxxxxxx>
cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>

Signed-off-by: Valentin Schneider <valentin.schneider@xxxxxxx>
Signed-off-by: Morten Rasmussen <morten.rasmussen@xxxxxxx>
---
kernel/sched/sched.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 6c39a07e8a68..648224b23287 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -696,7 +696,7 @@ struct root_domain {
cpumask_var_t online;

/* Indicate more than one runnable task for any CPU */
- bool overload;
+ int overload;

/*
* The bit corresponding to a CPU gets set here if such CPU has more
@@ -1673,7 +1673,7 @@ static inline void add_nr_running(struct rq *rq, unsigned count)
if (prev_nr < 2 && rq->nr_running >= 2) {
#ifdef CONFIG_SMP
if (!rq->rd->overload)
- rq->rd->overload = true;
+ rq->rd->overload = 1;
#endif
}

--
2.7.4