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 CDFB825F984; Wed, 17 Jun 2026 14:48:44 +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=1781707726; cv=none; b=oqipYZsUTu2TLkH54+R/jikDy8ZhXq04n9scu7qEi/TNmjU49FBRUIHMR5SHJjQxebgG2nRl5WCMtu1lytC8JQpfoPGoqShFD74/eyfvKLPn4MHIhZmkMZD6fFU7utPryG4nYwoUSr9L2frEHy55tB0fE44nT/+pY0fe3BEymZg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781707726; c=relaxed/simple; bh=n+MpPsjDxaJNzCR36ZHui5GCopQ8H1IC/W8er6O8MP4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Lv1jKsre9lKfEBuSpfsZNr5cabPj655YJ+v9Xj6krgJeU4jQBj50wCFnCDCWozrClcOqBZqxiJps7DPT4jIp9MFnTJQAwIIXgJrTVZbjtHevPhOfJAtnKRuy0xfmgV0Hj7ZOBscG5yDmLTLlvWy8T5yBF6E5IYJM7dFuOQ7cTXI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YTSK+CWW; 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="YTSK+CWW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE0B41F00A3D; Wed, 17 Jun 2026 14:48:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781707724; bh=CaF8UdvZVDDussggfwjRLGsPjlTiPuwSrEK65nFYR9w=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=YTSK+CWWyy07fQAd79Drqssx8EIz0d1umquuzvD0ZbX8Scsa+HOIG0PyZWxPcJnOp YIrJZFgZSdwLv3THjsKukFxPyF7a0dDVukj1UTz8zG3dAuqxBVmOimH2rH1JWydV06 VZJD69fV6T7CBSfscjR1ClWWhXsxi4q7IQa0DkOyb6syaZe02+TAWtA1M2FjKZHX2H UeZUe6NjuIpfz6GOCv8jMkDi1iVDG8uQWtmi1RTcx/tDdXpUndGiAFCc+/UV7H+WQ2 dCEdxRubeJnecn7xCBAMuWJoALKti7qqPQkLz3mC5zY7cXfzqd+CeftszHLhCwimUL ln7eIPlXC776Q== From: SeongJae Park To: Cc: SeongJae Park , "# 6 . 17 . x" , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.1 07/11] mm/damon/sysfs-schemes: kobject_del() scheme action destination dirs Date: Wed, 17 Jun 2026 07:48:01 -0700 Message-ID: <20260617144807.91441-8-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 scheme action destination directories by adding kobject_del() calls. Fixes: 2cd0bf85a203 ("mm/damon/sysfs-schemes: implement DAMOS action destinations directory") Cc: # 6.17.x Signed-off-by: SeongJae Park --- mm/damon/sysfs-schemes.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 573a40c679be3..0c0c9637b594e 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2145,8 +2145,10 @@ static void damos_sysfs_dests_rm_dirs( struct damos_sysfs_dest **dests_arr = dests->dests_arr; int i; - for (i = 0; i < dests->nr; i++) + for (i = 0; i < dests->nr; i++) { + kobject_del(&dests_arr[i]->kobj); kobject_put(&dests_arr[i]->kobj); + } dests->nr = 0; kfree(dests_arr); dests->dests_arr = NULL; -- 2.47.3