On Fri, Feb 08, 2019 at 10:05:42AM +0000, Patrick Bellasi wrote:

+static void uclamp_fork(struct task_struct *p)
+{
+	unsigned int clamp_id;
+
+	if (unlikely(!p->sched_class->uclamp_enabled))
+		return;
+
+	for (clamp_id = 0; clamp_id < UCLAMP_CNT; ++clamp_id)
+		p->uclamp[clamp_id].active = false;
+}

Because in that case .active == false, and copy_process() will have done
thr right thing?