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b=F5uc9FL4t9jwZcTUjB44eiIrPXrxF7DLlSE37piZc5Xo1Liq5gPgSenhP8dxM+xrM NvS+hGiFKZQME3IaDzU3axI7/SGczvnB3vbEDJfofTIFeIGnxkoJ5fxPkx+aueWKqu eKYimBbSnXBZ3SAM9mRo4q+bYd8FZ4ZBlpXIbjylcR+gqhosnZD8KxDLwCxaatnJtV ASmSbKGRdMl/0qhG/ixO8IRBR8oLr9V6h/Yu5gKwv6K3y7NB5bQwpICvoTDvl5PZnx mm2qz8QwxPI2qFnHmRY00abxeEPDFL/Y2BfHEOO/RoKyJwiQHJe7DP3BJR6AUiccRZ A0lQ/vwloSnCA== 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 8/9] mm/damon/sysfs: kobject_del() probe filter dirs Date: Tue, 16 Jun 2026 08:08:42 -0700 Message-ID: <20260616150844.88305-9-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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: E82BD10000E X-Stat-Signature: kfarzamhx1z335ntqow9eepf5nzencgg X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1781622547-712214 X-HE-Meta: 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 2c9keRLw XvHAb9a/NqC+CAm13PpgwUqg4/TwLaWtoaH191SpN84dMyee0AABAjgEVP7DPUm1kpkTxyunPv+0qrMKP9k1jGzhuOH3gIxhEG4SnOsYTvoHKVvXCfCmbR1BeBizhWX6UYevA/gyaBR8sPiX8AmxrZsEGPE3fSdQeNGmVbFH2wdKyL6HqKxdEujr7E3h30EHkZVRqiMYrYV7JeQln3oPKcRgKNHNOniU9M7gXuxgy7JIGl256M8atYhrqtaAokniVwKyO1kBvLO8s8yEt4AemE76PwQ== 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 f72e1e37df9d8..04725ff3d9f3c 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