docs: add mlockall/munlockall limitations

Change-Id: I01d1c4eb6955baee89f6827748ac8ce4082884da
2021-01-04 12:52:15 +09:00
parent d73e6a161c
commit a4b5410d0c
1 changed files with 4 additions and 0 deletions
--- 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.