Commit b0d326da authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'sched-urgent-2024-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull scheduler fix from Ingo Molnar:
 "Fix a cpufreq related performance regression on certain systems, where
  the CPU would remain at the lowest frequency, degrading performance
  substantially"

* tag 'sched-urgent-2024-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix frequency selection for non-invariant case
parents 8c94ccc7 e37617c8

kernel/sched/cpufreq_schedutil.c

+5 −1
Original line number Diff line number Diff line
@@ -133,7 +133,11 @@ unsigned long get_capacity_ref_freq(struct cpufreq_policy *policy) 
	if (arch_scale_freq_invariant())

		return policy->cpuinfo.max_freq;



	return policy->cur;

	/*

	 * Apply a 25% margin so that we select a higher frequency than

	 * the current one before the CPU is fully busy:

	 */

	return policy->cur + (policy->cur >> 2);

}



/**