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 067E23B7B76; Wed, 17 Jun 2026 14:48:46 +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=1781707728; cv=none; b=U03FIp11YSttWCMro9AM14xJtaOsYjiZK3yBpHH88y0OaoFLBDL1MVtma4RyWnbRFvJmWUnqT/AaqdjZFF81SySZdHAthMnHhoSLocfGVLojYeYLkg6fu/53zHljjekZW5CDO5htfs/koX8EubBfMu38x+qhlbw5r31XmfKJbZE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781707728; c=relaxed/simple; bh=p8P38+wx918AbRrzM3YM4z2vNJg8orkszaYFHl4mi1k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dy1rv2GGEZwOKc8+VYr3AcltsyUoeLFVOlPZ9Cv1Sb0iFM6nX5h2xgPscOK3jXAKkLSpPK3hTVPJLh4Re5BtUwPhGqao2lCNUMjT2eacbuyU7Srp6EhUqdl9OTGLglPYn+s0+Gt2NpFwwn/db7TeBgK9EG8moHwzJGskjkibhKo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o0RujzvK; 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="o0RujzvK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF9E11F00A3A; Wed, 17 Jun 2026 14:48:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781707726; bh=apeCKq9Hxx5icDF/JvpCpTO4zm17bsS1r78YB3ZGzD8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=o0RujzvKdowxiou2k5I7rDAbBol8LTn/gsflatroNfF4spTvvLI9+Xq21bydJ6894 n0mhMH1+yEp8xOxBtcF+hbScJiJCl/8qfHvuRxXruFbT2nkVOhn6EqFmJFOxGLJI2q 61QEXsZM4TAEc3WIsoz1D3i+C/qOvmhcVYrHheaHqF8R45fDfkRcqefguLn+kQBGWi KuBZaWuNL3GvDEoHbj6PelLI+4W/IOAKUKyUgQ1C9pUiXdBq8PqrWwzi1FiNVRKtor 2DZmvAh75VbIB8T4tNZqWaBpKu+z/DldRKjs9FdIUX0dYLP1fOFH8AYbCYv0PRht1Z mI2fHcS6Lo3Ew== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.1 09/11] mm/damon/sysfs: kobject_del() probe filter dirs Date: Wed, 17 Jun 2026 07:48:03 -0700 Message-ID: <20260617144807.91441-10-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: 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 data attribute probe filter directories by adding kobject_del() calls. Fixes: 82e66aef7714 ("mm/damon/sysfs: implement filter dir") Signed-off-by: SeongJae Park --- mm/damon/sysfs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 5ca45654cdd39..36a0e82601697 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -962,8 +962,10 @@ static void damon_sysfs_filters_rm_dirs(struct damon_sysfs_filters *filters) struct damon_sysfs_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