Docs/admin-guide/mm/damon/usage: document 'DEPRECATED' file of DAMON debugfs interface

Document the newly added DAMON debugfs interface deprecation notice file
on the usage document.

Link: https://lkml.kernel.org/r/20240130013549.89538-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Alex Shi <alexs@kernel.org>
Cc: Hu Haowen <2023002089@link.tyut.edu.cn>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2024-01-29 17:35:44 -08:00 committed by Andrew Morton
parent eceea30c90
commit cf3810cc31

View File

@ -628,9 +628,16 @@ debugfs Interface (DEPRECATED!)
move, please report your usecase to damon@lists.linux.dev and
linux-mm@kvack.org.
DAMON exports eight files, ``attrs``, ``target_ids``, ``init_regions``,
``schemes``, ``monitor_on``, ``kdamond_pid``, ``mk_contexts`` and
``rm_contexts`` under its debugfs directory, ``<debugfs>/damon/``.
DAMON exports nine files, ``DEPRECATED``, ``attrs``, ``target_ids``,
``init_regions``, ``schemes``, ``monitor_on``, ``kdamond_pid``, ``mk_contexts``
and ``rm_contexts`` under its debugfs directory, ``<debugfs>/damon/``.
``DEPRECATED`` is a read-only file for the DAMON debugfs interface deprecation
notice. Reading it returns the deprecation notice, as below::
# cat DEPRECATED
DAMON debugfs interface is deprecated, so users should move to DAMON_SYSFS. If you cannot, please report your usecase to damon@lists.linux.dev and linux-mm@kvack.org.
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