This is a note to let you know that I've just added the patch titled
sched/fair: Cleanup task_util and capacity type
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
sched-fair-cleanup-task_util-and-capacity-type.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2b3e964ecd827083c0351f8a4448a7ec537d5976
Author: Vincent Donnefort <vincent.donnefort@xxxxxxx>
Date: Tue Dec 7 09:57:55 2021 +0000
sched/fair: Cleanup task_util and capacity type
[ 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@xxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20211207095755.859972-1-vincent.donnefort@xxxxxxx
Stable-dep-of: 48d5e9daa8b7 ("sched/uclamp: Fix relationship between uclamp and migration margin")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index bca0efc03a51..2d3ea0679207 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4074,7 +4074,8 @@ 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);
}
@@ -6247,7 +6248,7 @@ 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));
