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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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 232BC140012 X-Rspam-User: X-Stat-Signature: pj1y9h3jum7tu5dmwxcj3wf1dc7ncwkh X-Rspamd-Server: rspam09 X-HE-Tag: 1781707724-107027 X-HE-Meta: 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 g6UOSSVE tJtVImL7PVMu7R1ixAGPXAHi3RkD7ld+6r/bz401MRqN20WlHq6ZVcpd+Yus6lu2lzUJ5HhPTW2i1GByb0hdt0C5/pctousnAWL/3GFDbWps64BIMK8tY5usB3a+cAw3N0cBHBdhjGgYYrgVaUr2zmqyad3MIhlKN6HhmSKK2p16WsieFA5DKe7Mo4kiK+bFaBibISQvPRUVIK/s0tcJiLhuIXb+Nc0AT5s8ON85mGSrTkHygMMJkn+g8muChEIRkj4QpxpRD/TkCr9VhwbmfULKBgg== 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 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