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 EF67E43DA35; Tue, 16 Jun 2026 15:09:00 +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=1781622542; cv=none; b=SKh7RpXvBYKGHfmIFoX5r92kSNSxu6NRCVmP+1pzX8TINRgIY1tN5lVF4WVyM/UNOYnartKItcFIioRB3Yu2JRjKsA1g/PIDQCoVZJSfmUWdLcobfMvbnwdgM7VWFUNxEgnGttl2qCvw89RPwD1KuuWoXPFvtTZKc76msghpnYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781622542; c=relaxed/simple; bh=axuln/tpi0HRr1x0QzwX+Gh3AZ1DBP1Jyz2a7F1Ej/g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tPp3xMBDMrtLMaey4iBOEwYLuTyRJ5IptMq2kmDGc9h7/yn3qsqKH+/KX/I0kMeKo5hsEufaNZxCjJHvdHdafQJ1tOpFH/8LVKpnXHsKxziO9YNhwu6qVGG6y9KWMHufaKUSPL9UxVSg9tNtE/AQhp4H45Eh/d7wxCKDjz68mWE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NwyeCJDZ; 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="NwyeCJDZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 549761F00A3E; Tue, 16 Jun 2026 15:09:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781622540; bh=0szVMs69Uu2eAbLCAOXCLc5i2YnWrEQ3PmDutKfaOgw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=NwyeCJDZzBpee8okpdb2TWe1r4JVbWLJdLqjGxcHtHjVhvyGgwkm6g+7FhSg1YNrh o3VXNGOV6H/r0kPCTl8lKhSkoesda7CUC2JdNfYaLZ3My3pfdkKxkH9ZoB6Wc5KvwT S/qnloRzUcZbcasS/nv/xWEr+zbOzOjCHsOVo1Q0lrAYPC2Th60vVz/g9IsCHcfJRc oAEnTQbbiqbpws2gOkLbeZWZthdB1WRN2oy90AZIobeCdUeZVVYd7Y4J89Ez8oglMZ ZkeP613l/DtcGsYhI4w072La1njLE10y+HElgyg+iUgeCeLaOW+FcDFXccbnV/uyHB sdnoVxYmAJinQ== From: SeongJae Park To: Cc: SeongJae Park , "# 5 . 18 . x" , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 3/9] mm/damon/sysfs-schemes: kobject_del() scheme dirs Date: Tue, 16 Jun 2026 08:08:37 -0700 Message-ID: <20260616150844.88305-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260616150844.88305-1-sj@kernel.org> References: <20260616150844.88305-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org 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 directories by adding kobject_del() calls. Fixes: 7e84b1f8212a ("mm/damon/sysfs: support DAMON-based Operation Schemes") Cc: # 5.18.x Signed-off-by: SeongJae Park --- mm/damon/sysfs-schemes.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 329cfd0bbe9f3..37cf6edb54f17 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2686,6 +2686,7 @@ void damon_sysfs_schemes_rm_dirs(struct damon_sysfs_schemes *schemes) for (i = 0; i < schemes->nr; i++) { damon_sysfs_scheme_rm_dirs(schemes_arr[i]); + kobject_del(&schemes_arr[i]->kobj); kobject_put(&schemes_arr[i]->kobj); } schemes->nr = 0; -- 2.47.3