devfreq: Avoid competing with low-priority tasks

The work for load monitoring and reevaluation
can compete with low-priority tasks under high
sched pressure.

This patch makes the WQ a high priority WQ
to ensure that the work isn't delayed
under high sched pressure.

Signed-off-by: Alex Naidis <alex.naidis@linux.com>
Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>

drivers/devfreq/devfreq.c

@@ -1302,7 +1302,8 @@ static int __init devfreq_init(void)
 		return PTR_ERR(devfreq_class);
 	}
 
-	devfreq_wq = create_freezable_workqueue("devfreq_wq");
+	devfreq_wq = alloc_workqueue("devfreq_wq", WQ_HIGHPRI | WQ_FREEZABLE
+			| WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
 	if (!devfreq_wq) {
 		class_destroy(devfreq_class);
 		pr_err("%s: couldn't create workqueue\n", __FILE__);