diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 95f0186..657542d 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -609,6 +609,7 @@
 
 /* the following are really really optional */
 extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs;
+extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs;
 extern struct freq_attr *cpufreq_generic_attr[];
 int cpufreq_table_validate_and_show(struct cpufreq_policy *policy,
 				      struct cpufreq_frequency_table *table);