From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4BB4FCD98F2 for ; Thu, 18 Jun 2026 15:16:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 347D46B00A2; Thu, 18 Jun 2026 11:15:43 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2F9CB6B00A4; Thu, 18 Jun 2026 11:15:43 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 20BA26B00A2; Thu, 18 Jun 2026 11:15:43 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id E6AF16B00A2 for ; Thu, 18 Jun 2026 11:15:42 -0400 (EDT) Received: from smtpin22.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 89654C02D2 for ; Thu, 18 Jun 2026 15:15:41 +0000 (UTC) X-FDA: 84893382882.22.18F8589 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf27.hostedemail.com (Postfix) with ESMTP id CC17440015 for ; Thu, 18 Jun 2026 15:15:39 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=ERjpiAqy; spf=pass (imf27.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1781795739; b=L9BAH0ugqMGgf3qNUloAqwktOOMH4DvpKnfc/EcrUL40uQOuJlyTbJQRRTbODhwBbjkUhA P096rrZc4EML2DzG7yWC+w4j9jesh9MDWkyt9B8NZKN/y8Ptzni1Peti+ODXzKBwgPCq3T vkmtv9TLcGGXTMwtZ9uXHbj+qyy1PHg= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=ERjpiAqy; spf=pass (imf27.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1781795739; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=apeCKq9Hxx5icDF/JvpCpTO4zm17bsS1r78YB3ZGzD8=; b=WQ4N5tBs/KmUCBu7Wb1YJ/lvpF0o7RKpkxWY3VZ97jngupA2ItwtvpGraBBEqLosbFswDu W1hycKmihnCVcvM6WHe0Qm6P7qUI652Iivu1lp6vUIH14n2RbS8LwOsElIvOUD+rFwSmC2 t8L8KE3kGZevOTkZYkqfne/bCtUwZg4= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 26D6E44242; Thu, 18 Jun 2026 15:15:39 +0000 (UTC) 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: e7ip7miph8ohzksqtkpbbxnb8oppjpqf X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: CC17440015 X-Rspam-User: X-HE-Tag: 1781795739-31915 X-HE-Meta: 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 uCUI6H8X gqu/3974RZGna9egjW2fAos8Av6NozSDs2/4uhOr/JbI4eUJZcJL/yhThukoWXS4W2DRJJw0WD7HM2ZEw2I00eZLRc6eA0PgAWT7vwOw/1AuhkveUd0lVdnChvL1IupNXCV3f5Acl27badme1Npy/5XL7YCaWsDK3QKRYvhgaohGEH0/F/MKHNWFCoV5HQdAGyH/qNDI4GnkNL4ndLFp3fC2vJihu9stXC4vIxmypXwiQEQBR2DLZvbTatxgQWrgvzbLLKIqu9SXi9wxAV53pQDjKcQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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