From 4e547536bb028fb56207bf77b3470aea0345bd08 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Mon, 23 Sep 2019 21:43:07 +0200
Subject: [PATCH] pidfd_open.2: Add a comment on system call number in example
 code

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

diff --git a/man2/pidfd_open.2 b/man2/pidfd_open.2
index 3fd813845..b67320708 100644
--- a/man2/pidfd_open.2
+++ b/man2/pidfd_open.2
@@ -133,7 +133,7 @@ returns, and indicates that the file descriptor is readable.
 #include <stdio.h>
 
 #ifndef __NR_pidfd_open
-#define __NR_pidfd_open 434
+#define __NR_pidfd_open 434   /* System call # on most architectures */
 #endif
 
 static int