From 399f3e392b716ebf975adf806447a4cc1aabff91 Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Tue, 19 Sep 2017 20:35:09 +0200
Subject: [PATCH] fork.2: Document effect of MADV_WIPEONFORK
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Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Colm MacCárthaigh <colm@allcosts.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/fork.2 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/man2/fork.2 b/man2/fork.2
index 798eec5d1..94f83198f 100644
--- a/man2/fork.2
+++ b/man2/fork.2
@@ -140,6 +140,12 @@ Memory mappings that have been marked with the
 flag are not inherited across a
 .BR fork ().
 .IP *
+Memory in mappings that have been marked with the
+.BR madvise (2)
+.B MADV_WIPEONFORK
+flag is zeroed in the child after a
+.BR fork ().
+.IP *
 The termination signal of the child is always
 .B SIGCHLD
 (see