From 2b851e6ffd152acacf17ed0e4dd8a39a704b8837 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Mon, 2 Nov 2020 13:15:37 +0100
Subject: [PATCH] errno.3: Note another possible cause of the EMFILE error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man3/errno.3 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/man3/errno.3 b/man3/errno.3
index dacdb0ab0..504c22af5 100644
--- a/man3/errno.3
+++ b/man3/errno.3
@@ -359,6 +359,8 @@ Commonly caused by exceeding the
 .BR RLIMIT_NOFILE
 resource limit described in
 .BR getrlimit (2).
+Can also be caused by exceeding the limit specified in
+.IR /proc/sys/fs/nr_open .
 .TP
 .B EMLINK
 Too many links (POSIX.1-2001).