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 47F9D44BC97; Tue, 16 Jun 2026 15:09:07 +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=1781622548; cv=none; b=OJnrrEPn4KqCdqMg57jqFYL0FraYhe0rLbxXyUvXEjlaxnjka9+e3gCVq09lkf/0WVNVCf137DIfZZ5VM0QTiLZFua0hZl/QeEzNf0StiwmaAonBvws+PvW71F2nzSZv3e5tZtBAJha17s2dsG/viySoD+eeprNFSqzX864x1Uc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781622548; c=relaxed/simple; bh=0wFw/4FPmRrM1rMqtlHtiY6VrOz8emM+UWdIPJQC90o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oI5KkkBxGUgQw4j17P+8QkeAvqn8dZdidl0vMVJtk5zzb4u3ul2m8qp4eSZ3vwyDVxMLrLIqgQYWxHY0175Nlh8xopWmQMIkEwqg6g1+CtWIVu7JGgb3Ip/pqIvYtYCgfxO0EXSiMmZwypAN6OdKaleDIRlwtuXe88KYvVvuP1Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F5uc9FL4; 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="F5uc9FL4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BB0571F000E9; Tue, 16 Jun 2026 15:09:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781622547; bh=24pS8GK4dyL7EYkozGkjXsM9BN2kGeayQ2pQaapNgLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=F5uc9FL4t9jwZcTUjB44eiIrPXrxF7DLlSE37piZc5Xo1Liq5gPgSenhP8dxM+xrM NvS+hGiFKZQME3IaDzU3axI7/SGczvnB3vbEDJfofTIFeIGnxkoJ5fxPkx+aueWKqu eKYimBbSnXBZ3SAM9mRo4q+bYd8FZ4ZBlpXIbjylcR+gqhosnZD8KxDLwCxaatnJtV ASmSbKGRdMl/0qhG/ixO8IRBR8oLr9V6h/Yu5gKwv6K3y7NB5bQwpICvoTDvl5PZnx mm2qz8QwxPI2qFnHmRY00abxeEPDFL/Y2BfHEOO/RoKyJwiQHJe7DP3BJR6AUiccRZ A0lQ/vwloSnCA== 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 8/9] mm/damon/sysfs: kobject_del() probe filter dirs Date: Tue, 16 Jun 2026 08:08:42 -0700 Message-ID: <20260616150844.88305-9-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 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 f72e1e37df9d8..04725ff3d9f3c 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -960,8 +960,10 @@ 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