* [merged mm-stable] docs-abiadmin-guide-damon-update-for-state-sysfs-file-input-keyword-commit.patch removed from -mm tree
@ 2022-05-10 4:15 Andrew Morton
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From: Andrew Morton @ 2022-05-10 4:15 UTC (permalink / raw)
To: mm-commits, sj, akpm
The quilt patch titled
Subject: Docs/{ABI,admin-guide}/damon: Update for 'state' sysfs file input keyword, 'commit'
has been removed from the -mm tree. Its filename was
docs-abiadmin-guide-damon-update-for-state-sysfs-file-input-keyword-commit.patch
This patch was dropped because it was merged into mm-stable
------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: Docs/{ABI,admin-guide}/damon: Update for 'state' sysfs file input keyword, 'commit'
This commit documents the newly added 'state' sysfs file input keyword,
'commit', which allows online tuning of DAMON contexts.
Link: https://lkml.kernel.org/r/20220429160606.127307-13-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
Documentation/ABI/testing/sysfs-kernel-mm-damon | 7 ++++---
Documentation/admin-guide/mm/damon/usage.rst | 9 +++++----
2 files changed, 9 insertions(+), 7 deletions(-)
--- a/Documentation/ABI/testing/sysfs-kernel-mm-damon~docs-abiadmin-guide-damon-update-for-state-sysfs-file-input-keyword-commit
+++ a/Documentation/ABI/testing/sysfs-kernel-mm-damon
@@ -23,9 +23,10 @@ Date: Mar 2022
Contact: SeongJae Park <sj@kernel.org>
Description: Writing 'on' or 'off' to this file makes the kdamond starts or
stops, respectively. Reading the file returns the keywords
- based on the current status. Writing 'update_schemes_stats' to
- the file updates contents of schemes stats files of the
- kdamond.
+ based on the current status. Writing 'commit' to this file
+ makes the kdamond reads the user inputs in the sysfs files
+ except 'state' again. Writing 'update_schemes_stats' to the
+ file updates contents of schemes stats files of the kdamond.
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/pid
Date: Mar 2022
--- a/Documentation/admin-guide/mm/damon/usage.rst~docs-abiadmin-guide-damon-update-for-state-sysfs-file-input-keyword-commit
+++ a/Documentation/admin-guide/mm/damon/usage.rst
@@ -121,10 +121,11 @@ In each kdamond directory, two files (``
Reading ``state`` returns ``on`` if the kdamond is currently running, or
``off`` if it is not running. Writing ``on`` or ``off`` makes the kdamond be
-in the state. Writing ``update_schemes_stats`` to ``state`` file updates the
-contents of stats files for each DAMON-based operation scheme of the kdamond.
-For details of the stats, please refer to :ref:`stats section
-<sysfs_schemes_stats>`.
+in the state. Writing ``commit`` to the ``state`` file makes kdamond reads the
+user inputs in the sysfs files except ``state`` file again. Writing
+``update_schemes_stats`` to ``state`` file updates the contents of stats files
+for each DAMON-based operation scheme of the kdamond. For details of the
+stats, please refer to :ref:`stats section <sysfs_schemes_stats>`.
If the state is ``on``, reading ``pid`` shows the pid of the kdamond thread.
_
Patches currently in -mm which might be from sj@kernel.org are
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2022-05-10 4:15 [merged mm-stable] docs-abiadmin-guide-damon-update-for-state-sysfs-file-input-keyword-commit.patch removed from -mm tree Andrew Morton
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