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b=IHH0LRSLcIQn0D4V9+fdvYi9AvAbxtJflJx8rFZFuuCGRovVMG6GZnvMk2LtGeSUu m2hFV0MHLisuUr3GoLz5AisoZjOcg0piidbvHU1Kd9Hgu0EindFq/ab/2f8zFnve2W 0q8rDWbUtz8FRsv8/B6T5WlxVMLEPZaGml4zvj9ulC433P12wCGwJEkKSDyRoHqn1r kRzEQP+2MZju/eegtFjlcE6cvwAJmUEKEvvtXf8iM/v5YnGfBUkG48ZvhDyYe1L242 MSwnxlH9foLvpnwPx+HzJkfGy4LGWMBEqLIvhOC0uQ8MUp9pimzQHbpXe5NCszWGqV EaNG9KNddd6iw== From: SJ Park To: Andrew Morton Cc: SJ Park , "# 6 . 17 . x" , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 07/11] mm/damon/sysfs-schemes: kobject_del() scheme action destination dirs Date: Sun, 28 Jun 2026 15:01:16 -0700 Message-ID: <20260628220121.97360-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260628220121.97360-1-sj@kernel.org> References: <20260628220121.97360-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 62499C0003 X-Rspam-User: X-Stat-Signature: 8n9ijobie18tjpduqpxk44uqkokzonbo X-HE-Tag: 1782684089-950721 X-HE-Meta: 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 YhQy5Qbh SZAWZSzDWQPRe+RpI+gTCW79VFJLbXcCm9yUCkhJcjzBL/712XhEFORLwx07FiBvSGJ+jgXPJRr5jsdxrSNymx7gDHjMl7Qi1+fGvYGihzhjjXpBzLj4T4TE5JTDzQoeiyHVWuwXET+ohEvVl6/yNG+ft1TI63RmMBIZLE6e5YYgYXQpQCGJJriUz/dh0NA7NWOuBQmQy2srHaoQYoxo4SjbOKz5xdictzitJQfQOsmCpp6LF1ylTWvyf94NSl3yLC+CUfrmJpOC7Oq/4QD8+0TXZhg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 action destination directories by adding kobject_del() calls. Fixes: 2cd0bf85a203 ("mm/damon/sysfs-schemes: implement DAMOS action destinations directory") Cc: # 6.17.x Signed-off-by: SJ Park --- 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 58051185713cf..e2c8716be6c9c 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2143,8 +2143,10 @@ static void damos_sysfs_dests_rm_dirs( struct damos_sysfs_dest **dests_arr = dests->dests_arr; int i; - for (i = 0; i < dests->nr; i++) + for (i = 0; i < dests->nr; i++) { + kobject_del(&dests_arr[i]->kobj); kobject_put(&dests_arr[i]->kobj); + } dests->nr = 0; kfree(dests_arr); dests->dests_arr = NULL; -- 2.47.3