diff --git a/man2/syscalls.2 b/man2/syscalls.2
index 8dc517103..f276b6911 100644
--- a/man2/syscalls.2
+++ b/man2/syscalls.2
@@ -454,6 +454,8 @@ T}
 \fBrt_sigtimedwait\fP(2)	2.2
 \fBrt_tgsigqueueinfo\fP(2)	2.6.31
 \fBs390_runtime_instr\fP(2)	3.7	s390 only
+\fBs390_pci_mmio_read\fP(2)	3.19	s390 only
+\fBs390_pci_mmio_write\fP(2)	3.19	s390 only
 \fBsched_get_priority_max\fP(2)	2.0
 \fBsched_get_priority_min\fP(2)	2.0
 \fBsched_getaffinity\fP(2)	2.6