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 9E4883BCD07; Sun, 28 Jun 2026 22:01:29 +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=1782684091; cv=none; b=izvcGCZjCerZ8RmFpz1ijwGofJQrh3plDdof0QRBZwBtwnGfEND5pTPoOWYnr3TgPlPdWN7SENrxDBz1oy/D0RyTsd8zh6jDsEBjVQm8d3AeOHGl547ZXjNt3i9Qf85ae3d7pI6Ibyp2bztoodURPJKuINE2Zfmctwij7NFT2g4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782684091; c=relaxed/simple; bh=MxzkkC7E5ScZIUD+4/gtRKYzp07IiwB5UPHJVRb/pC0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KU8Rrzx94EOKubOXIIt2Jz5GHr3tgmP7PHzJrTeOWwxgVYx0lw9wSFPwFRmmYXUHX67sEK69YNzdNjTQOXL93jE/Kd9pnHxyJRZRKmBq0mkwjiOx6PxdDI+8xb5iFXMihYAnTVxgCZ2633sc+RkoC48wlSCaRvDWwBhPEiA0+uw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hYkzKfma; 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="hYkzKfma" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F1B71F00A3E; Sun, 28 Jun 2026 22:01:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782684089; bh=2uBHDdQtU7p9MN0ZSWr3YOPnVjS1vyYPgmIElFEJHkw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=hYkzKfma/az9hJtX3o8fslYCyrTjH4g5+2Nnb3gDweQsi3S4IKNMKIOqPMptjl90v Tn9VAD502HeVg1HCPsQ9DBKcch9Z/j5Y9NcNQ6jWgdqUWcFgnNeuegFxnCk6ptexnZ XfIVh8EN9XgVwXwOLx+/c/CCAuHsZe2seA+NMHxc+UJDwfabGinvW5TsJRoculbuQ+ rcjQRE6wzGgN+TQLeoqTKPTXLoaSVeAAS1aUOCYMzVPYFzyQjPi3K6SyTvE3hDGHuU XiXr4FG6aUC0idRqvIa1soNF9mLO5uV0wV66+H3TvM1hHcqfkWwiutY7GiiDZ6z/8g iXUfF3tAummQg== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 09/11] mm/damon/sysfs: kobject_del() probe filter dirs Date: Sun, 28 Jun 2026 15:01:18 -0700 Message-ID: <20260628220121.97360-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260628220121.97360-1-sj@kernel.org> References: <20260628220121.97360-1-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: SJ 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 9f92ebdb28574..0ccdc71275d52 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