diff --git a/include/linux/mm.h b/include/linux/mm.h
index 1744081a34d4..86adc71a972f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1373,7 +1373,7 @@ static inline int cpu_pid_to_cpupid(int nid, int pid)
 
 static inline bool cpupid_pid_unset(int cpupid)
 {
-	return 1;
+	return true;
 }
 
 static inline void page_cpupid_reset_last(struct page *page)