and type) are overwritten with newer flags/ arguments. The interface from
within the kernel is lock_notify(). User processes can make a system call with
notify(). NOTIFY fully replaces the old notification mechanism.
The call works. Permission check, restriction of outstanding notifications
to be added. Low level code to make it work from within interrupt handlers
will be added as well.
Told the Makefile not to panic if creating /usr/include due to it existing
(due to bin not being allowed to create it) fails, this smoothens installs
done by bin (instead of root).
