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authorSeongJae Park <sj@kernel.org>2024-01-30 02:35:44 +0100
committerAndrew Morton <akpm@linux-foundation.org>2024-02-22 19:24:45 +0100
commitcf3810cc317c069259915770f4ed43d61eaf85bf (patch)
treef4e2d7d3eea6eca0ed9524b25a606484ecc0226b /Documentation/admin-guide/mm/damon/usage.rst
parentmm/damon/dbgfs: make debugfs interface deprecation message a macro (diff)
downloadlinux-cf3810cc317c069259915770f4ed43d61eaf85bf.tar.xz
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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>
Diffstat (limited to 'Documentation/admin-guide/mm/damon/usage.rst')
-rw-r--r--Documentation/admin-guide/mm/damon/usage.rst13
1 files changed, 10 insertions, 3 deletions
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index f2feabb4bd35..5d3df18dfb9f 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -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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