[apparmor] How to test if apparmor is built in kernel

[Jeroen Ooms]

On Thu, Mar 10, 2016 at 6:26 PM, John Johansen
<john.johansen at canonical.com> wrote:
> if you can't do that, the basic of it are check for /sys/modules/apparmor
> if apparmor is builtin, it will be there, even if it is disabled.

Thanks this is what I need. On my Ubuntu system it is actually in
/sys/module (not plural). Is this location identical on all linux
distributions that support apparmor? (debian, suse, ...) ?