+ docs-admin-guide-mm-damon-usage-update-stats-update-process-for-refresh_ms.patch added to mm-new branch

+ docs-admin-guide-mm-damon-usage-update-stats-update-process-for-refresh_ms.patch added to mm-new branch

[Andrew Morton]

The patch titled
     Subject: Docs/admin-guide/mm/damon/usage: update stats update process for refresh_ms
has been added to the -mm mm-new branch.  Its filename is
     docs-admin-guide-mm-damon-usage-update-stats-update-process-for-refresh_ms.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/docs-admin-guide-mm-damon-usage-update-stats-update-process-for-refresh_ms.patch

This patch will later appear in the mm-new branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews.  Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.

The mm-new branch of mm.git is not included in linux-next

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days

------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: Docs/admin-guide/mm/damon/usage: update stats update process for refresh_ms
Date: Sun, 18 Jan 2026 10:02:57 -0800

DAMOS stats on sysfs was only manually updated.  Recent addition of
'refresh_ms' knob enabled periodic and automated updates of the stats. 
The document for stats update process is not updated for the change,
however.  Update.

Link: https://lkml.kernel.org/r/20260118180305.70023-7-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/admin-guide/mm/damon/usage.rst |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

--- a/Documentation/admin-guide/mm/damon/usage.rst~docs-admin-guide-mm-damon-usage-update-stats-update-process-for-refresh_ms
+++ a/Documentation/admin-guide/mm/damon/usage.rst
@@ -549,10 +549,13 @@ online analysis or tuning of the schemes
 The statistics can be retrieved by reading the files under ``stats`` directory
 (``nr_tried``, ``sz_tried``, ``nr_applied``, ``sz_applied``,
 ``sz_ops_filter_passed``, ``qt_exceeds``, ``nr_snapshots`` and
-``max_nr_snapshots``), respectively.  The files are not updated in real time,
-so you should ask DAMON sysfs interface to update the content of the files for
-the stats by writing a special keyword, ``update_schemes_stats`` to the
-relevant ``kdamonds/<N>/state`` file.
+``max_nr_snapshots``), respectively.
+
+The files are not updated in real time by default.  Users should ask DAMON
+sysfs interface to periodically update those using ``refresh_ms``, or do a one
+time update by writing a special keyword, ``update_schemes_stats`` to the
+relevant ``kdamonds/<N>/state`` file.  Refer to :ref:`kdamond directory
+<sysfs_kdamond>` for more details.
 
 .. _sysfs_schemes_tried_regions:
 
_

Patches currently in -mm which might be from sj@kernel.org are

mm-damon-core-introduce-nr_snapshots-damos-stat.patch
mm-damon-core-introduce-nr_snapshots-damos-stat-fix.patch
mm-damon-sysfs-schemes-introduce-nr_snapshots-damos-stat-file.patch
docs-mm-damon-design-update-for-nr_snapshots-damos-stat.patch
docs-admin-guide-mm-damon-usage-update-for-nr_snapshots-damos-stat.patch
docs-abi-damon-update-for-nr_snapshots-damos-stat.patch
mm-damon-update-damos-kerneldoc-for-stat-field.patch
mm-damon-core-implement-max_nr_snapshots.patch
mm-damon-sysfs-schemes-implement-max_nr_snapshots-file.patch
docs-mm-damon-design-update-for-max_nr_snapshots.patch
docs-admin-guide-mm-damon-usage-update-for-max_nr_snapshots.patch
docs-abi-damon-update-for-max_nr_snapshots.patch
mm-damon-core-add-trace-point-for-damos-stat-per-apply-interval.patch
mm-damon-tests-core-kunit-add-test-cases-for-multiple-regions-in-damon_test_split_regions_of-fix.patch
mm-damon-core-introduce-active-memory-ratio-damos-quota-goal-metric.patch
mm-damon-sysfs-schemes-support-damos_quota_active_mem_bp.patch
docs-mm-damon-design-document-damos_quota_active_mem_bp.patch
mm-damon-paddr-activate-damos_lru_prio-targets-instead-of-marking-accessed.patch
mm-damon-lru_sort-consider-age-for-quota-prioritization.patch
mm-damon-lru_sort-support-young-page-filters.patch
docs-admin-guide-mm-damon-lru_sort-document-filter_young_pages.patch
mm-damon-lru_sort-support-active-inactive-memory-ratio-based-auto-tuning.patch
mm-damon-lru_sort-support-active-inactive-memory-ratio-based-auto-tuning-fix.patch
docs-admin-guide-mm-damon-lru_sort-document-active_mem_bp-parameter.patch
mm-damon-lru_sort-add-monitoring-intervals-auto-tuning-parameter.patch
docs-admin-guide-mm-damon-lru_sort-document-intervals-autotuning.patch
mm-damon-core-implement-damon_kdamond_pid.patch
mm-damon-sysfs-use-damon_kdamond_pid.patch
mm-damon-lru_sort-use-damon_kdamond_pid.patch
mm-damon-reclaim-use-damon_kdamond_pid.patch
mm-damon-hide-kdamond-and-kdamond_lock-of-damon_ctx.patch
mm-vma-temporary-build-fix.patch
selftests-damon-sysfs_memcg_path_leaksh-use-kmemleak.patch
selftests-damon-wss_estimation-test-for-up-to-160-mib-working-set-size.patch
selftests-damon-access_memory-add-repeat-mode.patch
selftests-damon-wss_estimation-ensure-number-of-collected-wss.patch
selftests-damon-wss_estimation-deduplicate-failed-samples-output.patch
mm-damon-remove-damon_operations-cleanup.patch
mm-damon-core-cleanup-targets-and-regions-at-once-on-kdamond-termination.patch
mm-damon-core-cancel-damos_walk-before-damon_ctx-kdamond-reset.patch
mm-damon-core-process-damon_call_control-requests-on-a-local-list.patch
mm-damon-document-damon_call_control-dealloc_on_cancel-repeat-behavior.patch
mm-damon-core-rename-damos_filter_out-to-damos_core_filter_out.patch
mm-damon-rename-damon_min_region-to-damon_min_region_sz.patch
mm-damon-rename-min_sz_region-of-damon_ctx-to-min_region_sz.patch
docs-mm-damon-index-simplify-the-intro.patch
docs-mm-damon-design-link-repology-instead-of-fedora-package.patch
docs-mm-damon-design-document-damon-sample-modules.patch
docs-mm-damon-design-add-reference-to-damon_stat-usage.patch
docs-admin-guide-mm-damon-usage-introduce-damon-modules-at-the-beginning.patch
docs-admin-guide-mm-damon-usage-update-stats-update-process-for-refresh_ms.patch
docs-mm-damon-maintainer-profile-fix-wrong-maitnainers-section-name.patch
docs-mm-damon-maintainer-profile-remove-damon-tests-perf-suggestion.patch