+/*********************************************************************
+ * FREQUENCY INVARIANT CPU CAPACITY *
+ *********************************************************************/
+
+static DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE;
+
+static void
+scale_freq_capacity(struct cpufreq_policy *policy, struct cpufreq_freqs *freqs)
+{
+ unsigned long cur = freqs ? freqs->new : policy->cur;
+ unsigned long scale = (cur << SCHED_CAPACITY_SHIFT) / policy->max;
+ int cpu;
+
+ pr_debug("cpus %*pbl cur/cur max freq %lu/%u kHz freq scale %lu\n",
+ cpumask_pr_args(policy->cpus), cur, policy->max, scale);
+
+ for_each_cpu(cpu, policy->cpus)
+ per_cpu(freq_scale, cpu) = scale;
+}
+
+unsigned long cpufreq_scale_freq_capacity(struct sched_domain *sd, int cpu)
+{
+ return per_cpu(freq_scale, cpu);
+}
+