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b=IJnISSxkkJUzL4ggSYDFJhQIFv0Z32F4ZOl0DDmnFxH4QsbgjxHoqbL2ds3NMBJaz 0Vr0Z5z40ckxtJCUW7Smftjol20RmwFJKSxqBOkhEQinU9yabVVVEU8bJlCT1WBtgz hjQzUfvuyZKA2a0OeDMlbiv6Bql6E+DfPgHuTb4JhyDS+Jamk71ZiSfjJ1AWz0r585 1OyKPBrp+UwYqsQfWijfN3bq+w55tHPsd71mh/+e4nPbs6iBycY0Mzrm0j5vhSuVJX 7kdfg2OM/yt4ewIYs4EpNtOUaB7/cFkk3AkPBl+8WciDRScYkjTXdoAtW5KagLSd8M 0OHTULEOutL1A== From: SJ Park To: Cc: SJ Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.1 04/11] mm/damon/sysfs: ignore damon_stop() return value Date: Sun, 5 Jul 2026 09:01:31 -0700 Message-ID: <20260705160142.97308-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260705160142.97308-1-sj@kernel.org> References: <20260705160142.97308-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 31244100014 X-Stat-Signature: s7dj4s8e6h1if7hfw7p6zu7kye4b86yr X-HE-Tag: 1783267314-457072 X-HE-Meta: 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 jTINJCE9 wXeeSkT9IUZSv3+eBJoYoVoUtlCIviKJFsdf3lG4WiHC/jXF75D1xB3dsLiPxLinV8nlbjd8Pe695d6xIsJlt16O4WJtn1kRQogU2fxPeXYy8zlbGsH1pSy2nzn8MKvuzcyFFVlAETOB0cMSupzc9QFZpe11jGCNawuWFxWrYYcqk7A4axvJ6JqmgsMWtTq9b2ziSya+OzeaR2Gz/Nx4U6c4fkfE8236YhTMlOeJ+jI3NsFzmHHEKtRldAU8CvwaQ2WByXiflGYw8GCVU1+FgYreDqw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damon_stop() return value is guaranteed to be 0. Ignore it. Signed-off-by: SJ Park --- mm/damon/sysfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index b65651498e0d1..6d7e36c9e509d 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2262,12 +2262,13 @@ static int damon_sysfs_turn_damon_off(struct damon_sysfs_kdamond *kdamond) { if (!kdamond->damon_ctx) return -EINVAL; - return damon_stop(&kdamond->damon_ctx, 1); + damon_stop(&kdamond->damon_ctx, 1); /* * To allow users show final monitoring results of already turned-off * DAMON, we free kdamond->damon_ctx in next * damon_sysfs_turn_damon_on(), or kdamonds_nr_store() */ + return 0; } static int damon_sysfs_damon_call(int (*fn)(void *data), -- 2.47.3