[PATCH] Implement the mlock2 function

[Joseph Myers]

On Fri, 24 Nov 2017, Florian Weimer wrote:

> Fallback using mlock is provided if the flags argument is zero.
> 
> 2017-11-24  Florian Weimer  <fweimer@redhat.com>
> 
> 	* sysdeps/unix/sysv/linux/mlock2.c: New file.
> 	* sysdeps/unix/sysv/linux/tst-mlock2.c: Likewise.
> 	* sysdeps/unix/sysv/linux/Makefile (routines): Add mlock2.
> 	(tests): Add tst-mlock2.
> 	* sysdeps/unix/sysv/linux/Versions (GLIBC_2.27): Export mlock2.
> 	* sysdeps/unix/sysv/linux/libc**.abilist: Update.
> 	* manual/memory.texi (Page Lock Functions): Move @end deftypefun
> 	for mlock.  Document mlock2.

The ChangeLog entry is missing the kernel-features.h change.

The patch is missing a NEWS update.

-- 
Joseph S. Myers
joseph@codesourcery.com