From a9adf5158fc1b2ab7527ed7bbb5f0283f873c462 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Mon, 8 Dec 2014 16:52:06 +0100
Subject: [PATCH] sgetmask.2: Since 3.16, support for these system call is
 configurable

Support for these calls is now dependent on the setting of the
CONFIG_SGETMASK_SYSCALL option.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/sgetmask.2 | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/man2/sgetmask.2 b/man2/sgetmask.2
index 74d445615..d4cdff251 100644
--- a/man2/sgetmask.2
+++ b/man2/sgetmask.2
@@ -63,6 +63,13 @@ always successfully returns the signal mask.
 always succeeds, and returns the previous signal mask.
 .SH ERRORS
 These system calls always succeed.
+.SH VERSIONS
+Since Linux 3.16,
+.\" f6187769dae48234f3877df3c4d99294cc2254fa
+support for these system calls is optional,
+depending on whether the kernel was built with the
+.B CONFIG_SGETMASK_SYSCALL
+option.
 .SH CONFORMING TO
 These system calls are Linux-specific.
 .SH NOTES