* [merged mm-stable] selftests-damon-_damon_sysfs-support-damos-quota-weights-setup.patch removed from -mm tree
@ 2025-07-26 22:10 Andrew Morton
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From: Andrew Morton @ 2025-07-26 22:10 UTC (permalink / raw)
To: mm-commits, shuah, sj, akpm
The quilt patch titled
Subject: selftests/damon/_damon_sysfs: support DAMOS quota weights setup
has been removed from the -mm tree. Its filename was
selftests-damon-_damon_sysfs-support-damos-quota-weights-setup.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: SeongJae Park <sj@kernel.org>
Subject: selftests/damon/_damon_sysfs: support DAMOS quota weights setup
Date: Sun, 20 Jul 2025 10:16:34 -0700
_damon_sysfs.py contains code for test-purpose DAMON sysfs interface
control. Add support of DAMOS quotas prioritization weights setup for
more tests.
Link: https://lkml.kernel.org/r/20250720171652.92309-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/damon/_damon_sysfs.py | 24 +++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
--- a/tools/testing/selftests/damon/_damon_sysfs.py~selftests-damon-_damon_sysfs-support-damos-quota-weights-setup
+++ a/tools/testing/selftests/damon/_damon_sysfs.py
@@ -125,12 +125,20 @@ class DamosQuota:
ms = None # time quota
goals = None # quota goals
reset_interval_ms = None # quota reset interval
+ weight_sz_permil = None
+ weight_nr_accesses_permil = None
+ weight_age_permil = None
scheme = None # owner scheme
- def __init__(self, sz=0, ms=0, goals=None, reset_interval_ms=0):
+ def __init__(self, sz=0, ms=0, goals=None, reset_interval_ms=0,
+ weight_sz_permil=0, weight_nr_accesses_permil=0,
+ weight_age_permil=0):
self.sz = sz
self.ms = ms
self.reset_interval_ms = reset_interval_ms
+ self.weight_sz_permil = weight_sz_permil
+ self.weight_nr_accesses_permil = weight_nr_accesses_permil
+ self.weight_age_permil = weight_age_permil
self.goals = goals if goals is not None else []
for idx, goal in enumerate(self.goals):
goal.idx = idx
@@ -151,6 +159,20 @@ class DamosQuota:
if err is not None:
return err
+ err = write_file(os.path.join(
+ self.sysfs_dir(), 'weights', 'sz_permil'), self.weight_sz_permil)
+ if err is not None:
+ return err
+ err = write_file(os.path.join(
+ self.sysfs_dir(), 'weights', 'nr_accesses_permil'),
+ self.weight_nr_accesses_permil)
+ if err is not None:
+ return err
+ err = write_file(os.path.join(
+ self.sysfs_dir(), 'weights', 'age_permil'), self.weight_age_permil)
+ if err is not None:
+ return err
+
nr_goals_file = os.path.join(self.sysfs_dir(), 'goals', 'nr_goals')
content, err = read_file(nr_goals_file)
if err is not None:
_
Patches currently in -mm which might be from sj@kernel.org are
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2025-07-26 22:10 [merged mm-stable] selftests-damon-_damon_sysfs-support-damos-quota-weights-setup.patch removed from -mm tree Andrew Morton
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