From f8c419a49ec27313bc03b4347f04bb65c9211edc Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Thu, 9 Nov 2017 12:06:29 +0100
Subject: [PATCH] clock_getres.2: clock_gettime() may be implemented in the
 vDSO

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/clock_getres.2 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/man2/clock_getres.2 b/man2/clock_getres.2
index e5349439e..0812d159a 100644
--- a/man2/clock_getres.2
+++ b/man2/clock_getres.2
@@ -258,6 +258,12 @@ Consequently, these time services shall expire when the requested relative
 interval elapses, independently of the new or old value of the clock.
 .RE
 .\"
+.SS C library/kernel differences
+On some architectures, an implementation of
+.BR clock_gettime ()
+is provided in the
+.BR vdso (7).
+.\"
 .SS Historical note for SMP systems
 Before Linux added kernel support for
 .B CLOCK_PROCESS_CPUTIME_ID