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 58A0243D4E9; Tue, 16 Jun 2026 15:09:05 +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=1781622546; cv=none; b=CX4WrNfRdSaC7b4vUDK4XouJTqFa9VxtK+Osvxhj4HPYEihVvQxPiWLqiWBmoPZNp7t17i/JfvtR/Pg0eWeb1SdSNwv15383+8OhOWOix/SQLHnc8yonzaoT9pljSYiYCpYGzTGil+11c8oG70NL/kV3R8dqAsk8cOWNFMPcHmk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781622546; c=relaxed/simple; bh=acW7hktPrkjmeTJ78kWIZn3k7sRe6LTbhZJLe5QQPwU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=K43/EwOeosQddpFxwjFqtKigSHhmHJ48UrtJ3JzuVSlaAvufFK3Gd7qwYf21YYJ8OAqzuUxivTVVdMVJ+RwGeaLV/ml+gxvR0wv4RpL0PJnZMQdI3Yd0+NzMUqAc3uR4Wh0KT/dkciuxcTAhUs313rWx43XvdW7Jl0r3sJ/cd6M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FAD3K1Md; 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="FAD3K1Md" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E7BB1F00A3A; Tue, 16 Jun 2026 15:09:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781622545; bh=00MzoIwtac4VFel31/R2yWbFIq9F4yBooTF10PsQck8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FAD3K1Md6YPb/FpZc7cRnt2LdPzWoHZVNpKj1Fi2O7ixVXExB/n8X/V2RWXs3KfRC +JiZfdrK9FmXXISraXz7Px/hRnj0PaAL631T1+KiQty2/HqHfOePJ1AmZgRmCh7e0v YCB0N08ZURLiUIR6qoEdFp3iiQb9RRjHHH4WJ0x/KoK7REOLi4nI2lL5pR39LCDqVY 8Yo51gmlzavLMXy1PWF+2vnqnIM7e960gHlbQCC9lQJ2MyzT9Pdr9mtIPK9UPXEQJu kBKhCpYsnGNffF5BG613VMupeTblYkWwYL4GcoPPZVquWc9tsBIcXkkUKS3baz2mBs jQAZ8ei42+GoA== 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 7/9] mm/damon/sysfs-schemes: kobject_del() scheme action destination dirs Date: Tue, 16 Jun 2026 08:08:41 -0700 Message-ID: <20260616150844.88305-8-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 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 737638be84f15..108f6de32f8c1 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2148,8 +2148,10 @@ 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