[PATCH 5.15 067/731] sched/fair: Cleanup task_util and capacity type

Greg Kroah-Hartman
2022-12-28T14:48:57Z

From: Vincent Donnefort <vincent.donnefort@arm.com>

[ Upstream commit ef8df9798d469b7c45c66664550e93469749f1e8 ]

task_util and capacity are comparable unsigned long values. There is no
need for an intermidiate implicit signed cast.

Signed-off-by: Vincent Donnefort <vincent.donnefort@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20211207095755.859972-1-vincent.donnefort@arm.com
Stable-dep-of: 48d5e9daa8b7 ("sched/uclamp: Fix relationship between uclamp and migration margin")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
kernel/sched/fair.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index a853e4e9e3c3..999fcb460dfd 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4120,7 +4120,8 @@ static inline void util_est_update(struct cfs_rq *cfs_rq,
trace_sched_util_est_se_tp(&p->se);
}

-static inline int task_fits_capacity(struct task_struct *p, long capacity)
+static inline int task_fits_capacity(struct task_struct *p,
+ unsigned long capacity)
{
return fits_capacity(uclamp_task_util(p), capacity);
}
@@ -6398,7 +6399,7 @@ select_idle_capacity(struct task_struct *p, struct sched_domain *sd, int target)
return best_cpu;
}

-static inline bool asym_fits_capacity(int task_util, int cpu)
+static inline bool asym_fits_capacity(unsigned long task_util, int cpu)
{
if (static_branch_unlikely(&sched_asym_cpucapacity))
return fits_capacity(task_util, capacity_of(cpu));
--
2.35.1