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 4B76D2D8796; Thu, 18 Jun 2026 15:15:36 +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=1781795737; cv=none; b=EWN+RmppXQTIPNCMQ6Rvb7N1Hw6LWjCKqgMe2LK/dfRxCDF7/fH8qbHJXhyQTnMwMp6oCQm+NV6aQRtwPEHzW+jAY3Pn4gJNZbUGcScjAyIrg6cMeBVJ+VyYbCeyTyEZcmezZKB5pA+B6t+TqlsJXjjnCcqj6Vk3dgt6/njYvas= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781795737; c=relaxed/simple; bh=loC2N2mM90PzKsTonVYcxtp3tGXWaP5n/AH+alrg+Bw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ucUsWh8+QjvQhE6mlESgrWWi1u64tIvT008GAs5RLI2uvWLWsHb/tjRm3NpMZOr4x8suPSIrOA9CImIB0gA9BJWKK+CgbvKJXm1OEr+pAL1EvPBx1Ahmzfy1nb+zfoCG+S1oaMiMv06L87+5Q2bTelMWzeO/127Rn2UC+ktimUs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ta8XHsh4; 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="Ta8XHsh4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A28CB1F00AC4; Thu, 18 Jun 2026 15:15:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781795736; bh=vlWdmraLtKsn8tRuLUEVLShK1HHadraHOlLBzHm4x14=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Ta8XHsh4ZHuRNEUZdt7JrNFh779wrIFav3dd9IOrXmxRqhFeYwK7mKPUIZaXY1flJ A0laymTf5Hiw97z6zFeoG4R9QLk2wPIAPDa7Ytz/QL12x4I00yd3KznkPCN8zdJz65 /MZyYiBS2Fldzm+hXAoxrys1gYPxB9m5pzNv+Tr7jamLe9xmfHC2jQiV045x3QobUS QSgCmR0e4e/1Hp/vrnsoREByWnroZOnsqz+hx/ZWe7D2jy/oL3OrpjcP5KtZPPbCli IRtWYLnfARRFSbihQbTjNosP5/+hd+QebnSvKhg/vnvaM1+iEVZYkAc0e10XlrdgI8 0UNzA3Z43B6zg== 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 v1.2 07/11] mm/damon/sysfs-schemes: kobject_del() scheme action destination dirs Date: Thu, 18 Jun 2026 08:15:11 -0700 Message-ID: <20260618151517.5366-8-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: 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 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 306c1d3d357c4..0d4e9b053e381 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