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 561BF3FCB10; Thu, 18 Jun 2026 15:15:39 +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=1781795740; cv=none; b=WKeB0DUL4/gcAA52ZkTACx2RS7lfzSqnuGHE9DDQU0TsI6YWSejOIR9tmeDpRu3yjVnbmSfMFRsvIEsu4Mk+W0pbbhX+pGxjaVrbY0bNvmeUk3efUEKI6yy4luRse2vkti0v2jU/gDepTKz1GI5ebBeSwd0r8dKNnumunszyvBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781795740; c=relaxed/simple; bh=p8P38+wx918AbRrzM3YM4z2vNJg8orkszaYFHl4mi1k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DqNGUk3jcxERW3gA/RQmujMS6pQa1Z3N+9hETQbo0Uw2E6y8My3fvWtqdjA1h3eXAkjNI5e9aKOvD0opnBolCl0W350ODgERj4hGOVglXbqL/uGGO6ar6Du5ZYSbqjiMW8Zc0ziZHdDIBd+XDj0ael4xP/VDH2QgCJAPoNQG+Wo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ERjpiAqy; 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="ERjpiAqy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DBDF51F000E9; Thu, 18 Jun 2026 15:15:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781795739; bh=apeCKq9Hxx5icDF/JvpCpTO4zm17bsS1r78YB3ZGzD8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ERjpiAqyeUT3jWBP+j8FtqDS7DMvTidfk4+DZF/xWda3eO7c2KJWWV8fVRn5kkCkC pUlSPrCkVD7yazw9UfiTYgaatFzlYJVE3S+Z08eL3Xs2KlM8TOP01DHt38xT5bsPnd cDRyvxXkOnzIopuS68IPLWxJq+RGE+SPRdXD1YfFXPZLP9PDwrgJBXsywWwdWppDqo hjRDO4JwEUhoPk18Kaww5EU2OdUnBtiQHe17qD7dEOkkkYtNeE6XVoa302r3ARLXuk kLiPK69jR9lFiaxSHlQIThGh4xaK7Crvow96fdndKkAcA1WInKTqhRvRQCXbHTfTpl ibCPG2m6bwbSw== 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 v1.2 09/11] mm/damon/sysfs: kobject_del() probe filter dirs Date: Thu, 18 Jun 2026 08:15:13 -0700 Message-ID: <20260618151517.5366-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260618151517.5366-1-sj@kernel.org> References: <20260618151517.5366-1-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