From a4b5410d0cf5003855400801304c38818928f940 Mon Sep 17 00:00:00 2001
From: Masamichi Takagi <masamichi.takagi@riken.jp>
Date: Mon, 4 Jan 2021 12:52:15 +0900
Subject: [PATCH] docs: add mlockall/munlockall limitations

Change-Id: I01d1c4eb6955baee89f6827748ac8ce4082884da
---
 docs/users.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/users.rst b/docs/users.rst
index 4278c229..3a62dd4b 100644
--- a/docs/users.rst
+++ b/docs/users.rst
@@ -183,3 +183,7 @@ Limitations
 
 26. mmap() allows unlimited overcommit. Note that it corresponds to
     setting sysctl ``vm.overcommit_memory`` to 1.
+
+27. mlockall() is not supported and returns -EPERM.
+
+28. munlockall() is not supported and returns zero.