diff --git a/man5/tmpfs.5 b/man5/tmpfs.5
index 0ea2f9390..6b2802620 100644
--- a/man5/tmpfs.5
+++ b/man5/tmpfs.5
@@ -277,6 +277,7 @@ facility was formerly called
 .BR du (1),
 .BR memfd_create (2),
 .BR mmap (2),
+.BR set_mempolicy (2),
 .BR shm_open (3),
 .BR mount (8)
 .PP