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 9B2692F0661; Wed, 17 Jun 2026 14:48:34 +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=1781707716; cv=none; b=u4lrPZrVGcRbXAhI9O/xjG7+0xnOxVS+N0jfBE3gFwlvsaoDXjytnz2sicL3lzocMJxDMafw2QGFPNYhhWseDM2/qvKCoZpn3klW1HNcI9tmVKfhYgWlxofsvjQ3PiSlKuM/0O7QCNhghtgwyLQPWRhGbrqMbxstAT25+Kemug8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781707716; c=relaxed/simple; bh=duPOuJ8FNsuebqjEG9yiYUIcdf3k01iIxKFw2e2cV0c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=r7wmyXm7g0XPHKW3OqYezs9J7I4EPFIENYQYrL1cP+Vs4qOmx8x5HVh8FYPuaGEYiWjX5WTf8cgPFAhLBPdo7bATiJepAEzVtEa4cUNhfOHL7VqDIfaS3hB6ltPVLgX3gI6h+az8Ds/99mXAQNvQVPxdtOUR/WElqdOZjexER7Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ei7jrHtx; 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="Ei7jrHtx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 611FA1F00A3A; Wed, 17 Jun 2026 14:48:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781707714; bh=oMPoBzlor4YU5RTzivO7rISJyt7/7CUYk2cjtpLbxXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Ei7jrHtx2dlhidm0rTM4a1j+BoexWcUkxDPwPYX+0eqTMV3QQN3ANxShN00kB3BNN Kupt4KlTe9Q5f2rQfV/1QCt6OhODTnXcqNmbwTWQwAKlXiS93AskpVj7Vh9lLRFcbK VrSxcOUHZtT+BwSki/KRjUoQ7285uGp/sBKc1LrlpHsebn/5HndEjdVvODHT2wFTNk Mv4bqYk/0VM+wlJGCuNKpmM6PZEe55mjKeeBZmasb82+xyS8p4b1KlT5ykEkju3+Is DW8vZGtWAuOeksxaWN7Q4CQJl1KXgPNOgd0RT0hSTt9Ig4qNdSbg1oLRDDVMDRX5NJ qf+Yire5fXKeQ== 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 v1.1 03/11] mm/damon/sysfs-schemes: kobject_del() scheme dirs Date: Wed, 17 Jun 2026 07:47:57 -0700 Message-ID: <20260617144807.91441-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260617144807.91441-1-sj@kernel.org> References: <20260617144807.91441-1-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 0134111c3c1ff..debf2a3a0d8fc 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2683,6 +2683,7 @@ 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