From: Vincent Donnefort <[email protected]> The sub_positive local version is saving an explicit load-store and is enough for the cpu_util_next() usage.
Signed-off-by: Vincent Donnefort <[email protected]> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 146ac9fec4b6..1364f8b95214 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6525,7 +6525,7 @@ static unsigned long cpu_util_next(int cpu, struct task_struct *p, int dst_cpu) * util_avg should already be correct. */ if (task_cpu(p) == cpu && dst_cpu != cpu) - sub_positive(&util, task_util(p)); + lsub_positive(&util, task_util(p)); else if (task_cpu(p) != cpu && dst_cpu == cpu) util += task_util(p); -- 2.25.1
