+#ifdef CONFIG_SMP
+static inline int allocate_idle_time(struct cpufreq_cooling_device *cpufreq_cdev)
+{
+ return 0;
+}
+
+static inline void free_idle_time(struct cpufreq_cooling_device *cpufreq_cdev)
+{
+}
+#else
+static int allocate_idle_time(struct cpufreq_cooling_device *cpufreq_cdev)
+{
+ unsigned int num_cpus = cpumask_weight(cpufreq_cdev->policy->related_cpus);
+
+ cpufreq_cdev->idle_time = kcalloc(num_cpus,
+ sizeof(*cpufreq_cdev->idle_time),
+ GFP_KERNEL);
+ if (!cpufreq_cdev->idle_time)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void free_idle_time(struct cpufreq_cooling_device *cpufreq_cdev)
+{
+ kfree(cpufreq_cdev->idle_time);
+ cpufreq_cdev->idle_time = NULL;
+}
+#endif /* CONFIG_SMP */
+