* [merged mm-stable] docs-admin-guide-mm-damon-usage-update-for-quota-goal-complement-file.patch removed from -mm tree
@ 2026-10-24 8:58 Andrew Morton
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From: Andrew Morton @ 2026-10-24 8:58 UTC (permalink / raw)
To: mm-commits, vbabka, surenb, skhan, rppt, rdunlap, mhocko, ljs,
liam, david, corbet, sj, akpm
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The quilt patch titled
Subject: Docs/admin-guide/mm/damon/usage: update for quota goal complement file
has been removed from the -mm tree. Its filename was
docs-admin-guide-mm-damon-usage-update-for-quota-goal-complement-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 <sj@kernel.org>
Subject: Docs/admin-guide/mm/damon/usage: update for quota goal complement file
Date: Tue, 29 Sep 2026 01:01:10 -0700
Update DAMON usage document for the newly added quota goal metric
complement sysfs file.
Link: https://lore.kernel.org/20260929080113.41708-8-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
---
Documentation/admin-guide/mm/damon/usage.rst | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
--- a/Documentation/admin-guide/mm/damon/usage.rst~docs-admin-guide-mm-damon-usage-update-for-quota-goal-complement-file
+++ a/Documentation/admin-guide/mm/damon/usage.rst
@@ -98,7 +98,8 @@ comma (",").
│ │ │ │ │ │ │ fail_charge_num,fail_charge_denom
│ │ │ │ │ │ │ │ weights/sz_permil,nr_accesses_permil,age_permil
│ │ │ │ │ │ │ │ :ref:`goals <sysfs_schemes_quota_goals>`/nr_goals
- │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value,nid,path
+ │ │ │ │ │ │ │ │ │ 0/target_metric,complement,target_value,
+ │ │ │ │ │ │ │ │ │ current_value,nid,path
│ │ │ │ │ │ │ :ref:`watermarks <sysfs_watermarks>`/metric,interval_us,high,mid,low
│ │ │ │ │ │ │ :ref:`{core_,ops_,}filters <sysfs_filters>`/nr_filters
│ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,damon_target_idx,min,max
@@ -492,12 +493,12 @@ number (``N``) to the file creates the n
to ``N-1``. Each directory represents each goal and current achievement.
Among the multiple feedback, the best one is used.
-Each goal directory contains five files, namely ``target_metric``,
-``target_value``, ``current_value``, ``nid``, and ``path``. Users can set and
-get the five parameters for the quota auto-tuning goals that specified on the
-:ref:`design doc <damon_design_damos_quotas_auto_tuning>` by writing to and
-reading from each of the files. Because the kernel does not update
-``current_value``, reading it only makes sense when ``target_metric`` is
+Each goal directory contains six files, namely ``target_metric``,
+``complement``, ``target_value``, ``current_value``, ``nid``, and ``path``.
+Users can set and get the six parameters for the quota auto-tuning goals that
+specified on the :ref:`design doc <damon_design_damos_quotas_auto_tuning>` by
+writing to and reading from each of the files. Because the kernel does not
+update ``current_value``, reading it only makes sense when ``target_metric`` is
``user_input``. Note that users should further write
``commit_schemes_quota_goals`` to the ``state`` file of the :ref:`kdamond
directory <sysfs_kdamond>` to pass the feedback to DAMON.
_
Patches currently in -mm which might be from sj@kernel.org are
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2026-10-24 8:58 [merged mm-stable] docs-admin-guide-mm-damon-usage-update-for-quota-goal-complement-file.patch removed from -mm tree Andrew Morton
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