diff --git a/lib/libc/sys/Symbol.map b/lib/libc/sys/Symbol.map
index 6c79f89016d..d6126fd952f 100644
--- a/lib/libc/sys/Symbol.map
+++ b/lib/libc/sys/Symbol.map
@@ -425,7 +425,8 @@ FBSD_1.7 {
 };
 
 FBSD_1.8 {
-	 kcmp;
+	getrlimitusage;
+	kcmp;
 };
 
 FBSDprivate_1.0 {
diff --git a/sys/sys/resource.h b/sys/sys/resource.h
index 77119a1e530..cb36c505bec 100644
--- a/sys/sys/resource.h
+++ b/sys/sys/resource.h
@@ -192,6 +192,9 @@ int	getrlimit(int, struct rlimit *);
 int	getrusage(int, struct rusage *);
 int	setpriority(int, int, int);
 int	setrlimit(int, const struct rlimit *);
+#if __BSD_VISIBLE
+int	getrlimitusage(unsigned which, int flags, rlim_t *res);
+#endif
 __END_DECLS
 
 #endif	/* _KERNEL */