From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A32923BBA0D; Sun, 28 Jun 2026 22:01:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782684090; cv=none; b=H2A2+n1Zi+Kc4tDLafYQErBbiRPIh63wGujF2NGy8O8GV9t1Dgr7vMZGxqPqn9WSGQRpdMXKmsssJYvz8cXybtu/usMfDR24yLZU9+W3k029+/BgiFsgUZnVoU5XFjEYof8nqVMSQyHp34txzfFSSvJ29euzzKnd0IIbEivtJh4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782684090; c=relaxed/simple; bh=sNEKbjhqCfsKkTy6T8V9VU8DI87pDLMkitRMt2AtMRg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZmGlAw/94sOActwanTnMi2dAinQ5ipnbxG43rn2ES/GBLJrrxxh7qE87y9fd/6EP8J5fqrCLpFj5t3Eak1WdJ2PfRDUyJz5AoManB35+9ATHaNVkKxE+m52et4OX6bfQDtgwiZQuZe2QGD5IebIpElaQOqQJMIbtepSUzB16fVI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IHH0LRSL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IHH0LRSL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3E8981F00A3F; Sun, 28 Jun 2026 22:01:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782684088; bh=yM5zo/CZPKVrarzYTBC5EA96PqDEgGYSVEKgph4Q9eg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; 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> Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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