docs: proc: add documentation about mount restrictions

procfs has a number of mounting restrictions that are not documented
anywhere.

Signed-off-by: Alexey Gladkov <legion@kernel.org>
Link: https://patch.msgid.link/e7cb804df3c1759ee17cf9df1dc4c211d63d7a5f.1777278334.git.legion@kernel.org
Reviewed-by: Aleksa Sarai <aleksa@amutable.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Alexey Gladkov 2026-04-27 10:26:08 +02:00 • committed by Christian Brauner
commit c5dffafb42