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* [merged mm-stable] selftests-damon-_damon_sysfs-read-tried-regions-directories-in-order.patch removed from -mm tree
@ 2025-05-21 16:57 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2025-05-21 16:57 UTC (permalink / raw)
  To: mm-commits, shuah, davidgow, corbet, brendan.higgins, sj, akpm


The quilt patch titled
     Subject: selftests/damon/_damon_sysfs: read tried regions directories in order
has been removed from the -mm tree.  Its filename was
     selftests-damon-_damon_sysfs-read-tried-regions-directories-in-order.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: read tried regions directories in order
Date: Mon, 12 May 2025 17:27:14 -0700

Kdamond.update_schemes_tried_regions() reads and stores tried regions
information out of address order.  It makes debugging a test failure
difficult.  Change the behavior to do the reading and writing in the
address order.

Link: https://lkml.kernel.org/r/20250513002715.40126-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Gow <davidgow@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/damon/_damon_sysfs.py |    5 +++++
 1 file changed, 5 insertions(+)

--- a/tools/testing/selftests/damon/_damon_sysfs.py~selftests-damon-_damon_sysfs-read-tried-regions-directories-in-order
+++ a/tools/testing/selftests/damon/_damon_sysfs.py
@@ -420,11 +420,16 @@ class Kdamond:
                 tried_regions = []
                 tried_regions_dir = os.path.join(
                         scheme.sysfs_dir(), 'tried_regions')
+                region_indices = []
                 for filename in os.listdir(
                         os.path.join(scheme.sysfs_dir(), 'tried_regions')):
                     tried_region_dir = os.path.join(tried_regions_dir, filename)
                     if not os.path.isdir(tried_region_dir):
                         continue
+                    region_indices.append(int(filename))
+                for region_idx in sorted(region_indices):
+                    tried_region_dir = os.path.join(tried_regions_dir,
+                                                    '%d' % region_idx)
                     region_values = []
                     for f in ['start', 'end', 'nr_accesses', 'age']:
                         content, err = read_file(
_

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



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2025-05-21 16:57 [merged mm-stable] selftests-damon-_damon_sysfs-read-tried-regions-directories-in-order.patch removed from -mm tree Andrew Morton

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