diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 6c5b4ee000f2..523857884ae4 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -229,7 +229,7 @@ int cpumask_any_distribute(const struct cpumask *srcp);
 		(cpu) = cpumask_next_zero((cpu), (mask)),	\
 		(cpu) < nr_cpu_ids;)
 
-extern int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap);
+int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap);
 
 /**
  * for_each_cpu_wrap - iterate over every cpu in a mask, starting at a specified location