docs: cgroup-v1: add internal cross-references

The documentation contains references to other sections in the doc
(internal). Add cross-references for them so that these can be accessed
without having to manually search for them.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Bagas Sanjaya 2023-01-05 20:16:33 +07:00 • committed by Tejun Heo
commit da3ad2e14f