From: SJ Park <sj@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: SJ Park <sj@kernel.org>, "# 6 . 3 . x" <stable@vger.kernel.org>,
damon@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: [PATCH 05/11] mm/damon/sysfs-schemes: kobject_del() scheme filter dirs
Date: Sun, 28 Jun 2026 15:01:14 -0700 [thread overview]
Message-ID: <20260628220121.97360-6-sj@kernel.org> (raw)
In-Reply-To: <20260628220121.97360-1-sj@kernel.org>
On CONFIG_DEBUG_KOBJECT_RELEASE enabled kernel, lack of kobject_del()
could cause directories creation failures due to the name conflicts. Fix
those issues for scheme filter directories by adding kobject_del()
calls.
Fixes: 472e2b70eda6 ("mm/damon/sysfs-schemes: connect filter directory and filters directory")
Cc: <stable@vger.kernel.org> # 6.3.x
Signed-off-by: SJ Park <sj@kernel.org>
---
mm/damon/sysfs-schemes.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 9eb28fe77b5b0..e955fb916a7e2 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -912,8 +912,10 @@ static void damon_sysfs_scheme_filters_rm_dirs(
struct damon_sysfs_scheme_filter **filters_arr = filters->filters_arr;
int i;
- for (i = 0; i < filters->nr; i++)
+ for (i = 0; i < filters->nr; i++) {
+ kobject_del(&filters_arr[i]->kobj);
kobject_put(&filters_arr[i]->kobj);
+ }
filters->nr = 0;
kfree(filters_arr);
filters->filters_arr = NULL;
--
2.47.3
next prev parent reply other threads:[~2026-06-28 22:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-28 22:01 [PATCH 00/11] mm/damon/sysfs: kobject_del() directories that users can create/remove SJ Park
2026-06-28 22:01 ` [PATCH 01/11] mm/damon/sysfs: kobject_del() target (normal), context and kdamond dirs SJ Park
2026-06-28 22:01 ` [PATCH 02/11] mm/damon/sysfs: kobject_del() region and target (error) dirs SJ Park
2026-06-28 22:01 ` [PATCH 03/11] mm/damon/sysfs-schemes: kobject_del() scheme dirs SJ Park
2026-06-28 22:01 ` [PATCH 04/11] mm/damon/sysfs-schemes: kobject_del() scheme region dirs SJ Park
2026-06-28 22:01 ` SJ Park [this message]
2026-06-28 22:01 ` [PATCH 06/11] mm/damon/sysfs-schemes: kobject_del() scheme quota goal dirs SJ Park
2026-06-28 22:01 ` [PATCH 07/11] mm/damon/sysfs-schemes: kobject_del() scheme action destination dirs SJ Park
2026-06-28 22:01 ` [PATCH 08/11] mm/damon/sysfs: kobject_del() probe dirs SJ Park
2026-06-28 22:01 ` [PATCH 09/11] mm/damon/sysfs: kobject_del() probe filter dirs SJ Park
2026-06-28 22:01 ` [PATCH 10/11] mm/damon/sysfs: kobject_del() probe dirs in probes_addd_dir error path SJ Park
2026-06-28 22:01 ` [PATCH 11/11] mm/damon/sysfs-schemes: kobject_del() region for populate_region error SJ Park
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