diff --git a/sys/compat/linux/linux_signal.c b/sys/compat/linux/linux_signal.c
index 532fb81a678..5ed0bdf784d 100644
--- a/sys/compat/linux/linux_signal.c
+++ b/sys/compat/linux/linux_signal.c
@@ -376,6 +376,9 @@ linux_ssetmask(struct thread *td, struct linux_ssetmask_args *args)
 	return (0);
 }
 
+/*
+ * MPSAFE
+ */
 int
 linux_sigpending(struct thread *td, struct linux_sigpending_args *args)
 {