=========== Syscall API
The primary info for the bpf syscall is available in the man-pages_
for bpf(2)_. For more information about the userspace API, see
Documentation/userspace-api/ebpf/index.rst.
.. Links: .. _man-pages: https://www.kernel.org/doc/man-pages/ .. _bpf(2): https://man7.org/linux/man-pages/man2/bpf.2.html