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bh=iM2Eb2ExS7GI1ym8vhWA/m10zp74Amrd4zSKSC4zHiE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ZiKOy0lMeLh2PW2FXa5ojap4sMpVp3GQYl3FcPgY+K1XqA7WpjRMtbaniCqztdewO Bk6x0P+9IVjzg9OFTpL5TjeuF1UxbPKaT9M1Bw+LesYdBHrMjgPGMSku3usrIjhCdl BN8YFY+YuVf6JoBriEgMhOK9gbXpE2HmMMEllCpsij1gRkH1fojd0zK9YKmWMZe9H6 xm/SX0FbvBwr43sfM3xchsEWAXKvwG/7Vu50DENgiKmYdcQx/CCSYsHj0Q7s7+pTK3 8ijT5mEhl9kc0H/JjdMiJTxBmVDaMeJEAaQYXeOjdIZ4lFE2TeXEHWaZbbudoBPuED qeYA5DcV1ydLg== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 04/11] mm/damon/sysfs: ignore damon_stop() return value Date: Mon, 6 Jul 2026 07:06:19 -0700 Message-ID: <20260706140628.87414-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260706140628.87414-1-sj@kernel.org> References: <20260706140628.87414-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 1386DA000C X-Stat-Signature: pzif9mft38dyqa3it78g3b65mk7owh93 X-HE-Tag: 1783346799-218225 X-HE-Meta: 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 TZ8vtNVh hDTS/j0alui3bVlM3M38UWaQvAtSE2GoUCnA/ZqvG888KV4xE5dyiuTka6PyfwLNWYJoAN8R8n3td2NPomBtQRnIcZhZy1eJNS9Ptq9mkkVJLs4x5RfNGvYBOEx5uiT75jF4equbmGePK6DaAi3dUjggGkQnskt04ayUh36FOJLgJntN5Kx8gqtdPNXrIypvj+b6nWyhSdevGcZZJ5m9bVZsa7BE8UWuJ4n+R+Ecg94jCo3gj6EqINUEslMpRk2QfNlczQN6JkVyEP1NHhD1WDRci+w== 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