[merged mm-stable] docs-admin-guide-mm-damon-usage-document-weight-sysfs-file.patch removed from -mm tree
Andrew Morton <[email protected]> Tue, 04 Aug 2026 19:25:24 -0700
| Newsgroups | org.kernel.vger.mm-commits |
|---|---|
| Message-ID | <[email protected]> |
The quilt patch titled
Subject: Docs/admin-guide/mm/damon/usage: document weight sysfs file
has been removed from the -mm tree. Its filename was
docs-admin-guide-mm-damon-usage-document-weight-sysfs-file.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SJ Park <[email protected]>
Subject: Docs/admin-guide/mm/damon/usage: document weight sysfs file
Date: Fri, 10 Jul 2026 06:46:47 -0700
Update DAMON usage document for newly added probe weight file.
Link: https://lore.kernel.org/[email protected]
Signed-off-by: SJ Park <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Liam R. Howlett <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
Documentation/admin-guide/mm/damon/usage.rst | 11 ++++++++---
Documentation/mm/damon/design.rst | 5 +++++
2 files changed, 13 insertions(+), 3 deletions(-)
--- a/Documentation/admin-guide/mm/damon/usage.rst~docs-admin-guide-mm-damon-usage-document-weight-sysfs-file
+++ a/Documentation/admin-guide/mm/damon/usage.rst
@@ -73,9 +73,10 @@ comma (",").
│ │ │ │ │ │ │ intervals_goal/access_bp,aggrs,min_sample_us,max_sample_us
│ │ │ │ │ │ nr_regions/min,max
│ │ │ │ │ │ :ref:`probes <damon_usage_sysfs_probes>`/nr_probes
- │ │ │ │ │ │ │ 0/filters/nr_filters
- │ │ │ │ │ │ │ │ 0/type,matching,allow,path
- │ │ │ │ │ │ │ │ ...
+ │ │ │ │ │ │ │ 0/weight
+ │ │ │ │ │ │ │ │ filters/nr_filters
+ │ │ │ │ │ │ │ │ │ 0/type,matching,allow,path
+ │ │ │ │ │ │ │ │ │ ...
│ │ │ │ │ │ │ ...
│ │ │ │ │ :ref:`targets <sysfs_targets>`/nr_targets
│ │ │ │ │ │ :ref:`0 <sysfs_target>`/pid_target,obsolete_target
@@ -286,6 +287,10 @@ In each probe directory, one directory,
contains files for installing filters for the probe, that is used to determine
the data attribute for the probe.
+Each probe directory also contains ``weight`` file. Reading from and writing
+to the file gets and sets the :ref:`attributes-only monitoring
+<damon_design_attrs_only_monitoring>` weight for the attribute of the probe.
+
In the beginning, ``filters`` directory has only one file, ``nr_filters``.
Writing a number (``N``) to the file creates the number of child directories
named ``0`` to ``N-1``. Each directory represents each filter and works in a
--- a/Documentation/mm/damon/design.rst~docs-admin-guide-mm-damon-usage-document-weight-sysfs-file
+++ a/Documentation/mm/damon/design.rst
@@ -316,6 +316,8 @@ Another way to do this for higher accura
information in page level. But, because it is operated in page level, the
overhead is proportional to the size of the memory.
+.. _damon_design_attrs_only_monitoring:
+
Data Attributes-only Monitoring
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -336,6 +338,9 @@ automatically turned off. The access co
zero and not updated. Hence the mode is called Data Attributes "only"
monitoring.
+Refer to the :ref:`admin guide <damon_usage_sysfs_probes>` to know how users
+can use the mode.
+
Dynamic Target Space Updates Handling
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_
Patches currently in -mm which might be from [email protected] are
mm-damon-adjust-isolated-pages-stat-for-damos_migrate_hotcold.patch
samples-damon-mtier-error-out-for-zero-quota-goal-target-values.patch
mm-damon-lru_sort-error-out-for-10000-active_mem_bp.patch
mm-damon-reclaim-skip-damon_call-if-ctx-has-not-started.patch
mm-damon-lru_sort-skip-damon_call-if-ctx-has-not-started.patch
mm-damon-core-skip-aging-from-repeated-aggressive-merging.patch
mm-damon-core-hide-private-damon_region-fields.patch
mm-damon-core-hide-private-damon_target-fields.patch
mm-damon-core-hide-private-damos_quota_goal-fields.patch
mm-damon-core-hide-private-damos_quota-fields.patch
mm-damon-core-hide-private-damos_filter-fields.patch
mm-damon-core-hide-private-damos-fields.patch
mm-damon-core-hide-private-damon_filter-fields.patch
mm-damon-core-hide-private-damon_probe-fields.patch
mm-damon-sysfs-do-not-directly-access-damon_ctx-ops.patch
mm-damon-core-hide-core-private-damon_ctx-fields.patch
mm-damon-core-avoid-infinite-kdamond_merge_regions-internal-loop.patch
mm-damon-tests-core-kunit-catch-test-failure-in-test_merge_regions_of.patch
mm-damon-vaddr-drop-last-same-folio-access-check-optimization.patch
mm-damon-paddr-drop-last-same-folio-access-check-reuse-optimization.patch
mm-damon-sysfs-read-addr_unit-only-once-in-damon_sysfs_apply_inputs.patch
mm-damon-sysfs-read-ops_id-only-once-in-damon_sysfs_apply_inputs.patch
mm-damon-core-initialize-damos-last_applied.patch
mm-damon-core-kunit-check-region-count-before-testing-in-split_at.patch
mm-damon-vaddr-kunit-check-region-count-in-three_regions-test.patch
mm-damon-core-kunit-handle-region-split-failure-in-filter_out.patch
mm-damon-core-kunit-skip-wrong-dest-walk-in-commit_dests_for.patch
mm-damon-core-kunit-skip-wrong-quota-goal-walk-in-commit_quota_goals.patch
mm-damon-core-kunit-skip-wrong-region-walk-in-commit_target_regions.patch
mm-damon-ops-common-use-nr_accesses-moving-sum-for-quota-score.patch
mm-damon-core-handle-region-split-failure-in-apply_min_nr_regions.patch