From d3989680039844f3da12183a86532e0085d18214 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Wed, 20 Jun 2007 20:14:26 +0000
Subject: [PATCH] Note that some architectures don't have ipc(2); instead real
 system calls are provided for shmctl(), semctl(), etc.

---
 man2/ipc.2 | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/man2/ipc.2 b/man2/ipc.2
index 9d8ae0192..fc8228e0a 100644
--- a/man2/ipc.2
+++ b/man2/ipc.2
@@ -47,6 +47,14 @@ Only standard library implementors and kernel hackers need to know about
 .BR ipc ()
 is Linux specific, and should not be used in programs
 intended to be portable.
+.SH NOTES
+On a few architectures, for example ia64, there is no
+.BR ipc ()
+system call; instead
+.BR msgctl (2),
+.BR semctl (2),
+.BR shmctl (2),
+and so on really are implemented as separate system calls.
 .SH "SEE ALSO"
 .BR msgctl (2),
 .BR msgget (2),