The patch titled
Subject: selftests/damon/_damon_sysfs: check errors from nr_schemes file reads
has been added to the -mm mm-unstable branch. Its filename is
selftests-damon-_damon_sysfs-check-errors-from-nr_schemes-file-reads.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-damon-_damon_sysfs-check-errors-from-nr_schemes-file-reads.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: selftests/damon/_damon_sysfs: check errors from nr_schemes file reads
Date: Fri, 3 May 2024 11:03:10 -0700
DAMON context staging method in _damon_sysfs.py is not checking the
returned error from nr_schemes file read. Check it.
Link: https://lkml.kernel.org/r/20240503180318.72798-3-sj@xxxxxxxxxx
Fixes: f5f0e5a2bef9 ("selftests/damon/_damon_sysfs: implement kdamonds start function")
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/damon/_damon_sysfs.py | 2 ++
1 file changed, 2 insertions(+)
--- a/tools/testing/selftests/damon/_damon_sysfs.py~selftests-damon-_damon_sysfs-check-errors-from-nr_schemes-file-reads
+++ a/tools/testing/selftests/damon/_damon_sysfs.py
@@ -341,6 +341,8 @@ class DamonCtx:
nr_schemes_file = os.path.join(
self.sysfs_dir(), 'schemes', 'nr_schemes')
content, err = read_file(nr_schemes_file)
+ if err is not None:
+ return err
if int(content) != len(self.schemes):
err = write_file(nr_schemes_file, '%d' % len(self.schemes))
if err != None:
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
mm-damon-paddr-implement-damon_folio_young.patch
mm-damon-paddr-implement-damon_folio_mkold.patch
mm-damon-add-damos-filter-type-young.patch
mm-damon-paddr-implement-damos-filter-type-young.patch
docs-mm-damon-design-document-young-page-type-damos-filter.patch
docs-admin-guide-mm-damon-usage-update-for-young-page-type-damos-filter.patch
docs-abi-damon-update-for-youg-page-type-damos-filter.patch
mm-damon-paddr-avoid-unnecessary-page-level-access-check-for-pageout-damos-action.patch
mm-damon-paddr-do-page-level-access-check-for-pageout-damos-action-on-its-own.patch
mm-vmscan-remove-ignore_references-argument-of-reclaim_pages.patch
mm-vmscan-remove-ignore_references-argument-of-reclaim_folio_list.patch
selftests-damon-_damon_sysfs-support-quota-goals.patch
selftests-damon-add-a-test-for-damos-quota-goal.patch
mm-damon-core-initialize-esz_bp-from-damos_quota_init_priv.patch
selftests-damon-_damon_sysfs-check-errors-from-nr_schemes-file-reads.patch
selftests-damon-_damon_sysfs-find-sysfs-mount-point-from-proc-mounts.patch
selftests-damon-_damon_sysfs-use-is-instead-of-==-for-none.patch
selftests-damon-classify-tests-for-functionalities-and-regressions.patch
docs-admin-guide-mm-damon-usage-fix-wrong-example-of-damos-filter-matching-sysfs-file.patch
docs-admin-guide-mm-damon-usage-fix-wrong-schemes-effective-quota-update-command.patch
docs-mm-damon-design-use-a-list-for-supported-filters.patch
docs-mm-damon-maintainer-profile-change-the-maintainers-timezone-from-pst-to-pt.patch
docs-mm-damon-maintainer-profile-allow-posting-patches-based-on-damon-next-tree.patch
