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b=dWzj0rNehdXjgnHmvP2SvRyGTlmdNS1ZLdg1+GnC52ueSO4Mm3a8QznUvmieKUZ+N nsSC0Zfh9MrnVyi8SAq1lxBxNJULRmIWbXkLIXQV6RllnHrsqFZ1udwnYx+CD4W5e/ KiIICcOVC+/p+ObNMHa8hLIPFvD2aCZq7O7oDR5AMlxEM0O3VxZyMZe+xfs7j3Uxxw mEyiDjSlpeZUabHMNUAkAY9jhMi3Bzyk9IzHw3yk4hYVIr8LDa8f0UnVx+LGPTPlB4 JUkY7RxPUEXuFRZ0YY02FkFwbW9Cp4FdPBujvag7RUtNuII553OMacjjNs9q0URspN eZ+3IFi3mVmUQ== 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 04/11] mm/damon/sysfs: ignore damon_stop() return value Date: Sat, 4 Jul 2026 11:11:27 -0700 Message-ID: <20260704181135.132956-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260704181135.132956-1-sj@kernel.org> References: <20260704181135.132956-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: AD75880009 X-Stat-Signature: ts6ju5i7hiukxh4kdqc7oowcpezsds3j X-HE-Tag: 1783188706-557276 X-HE-Meta: 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 t3urwjA9 V3uekpxXSffsW3zUUVCRoQteAOzI1Zr1aJK0pG+rfgiMEzo+L0sITplVHySwmAcMWa2IS8Xvv8pjsLTe79niJIyffKT4BEBYlnD1Kuc/Nt8DO2VmzsOzhELjMK54F0riOuYv/EwluoKNFjIACQnm8dBzF4PJZkb8nlXPN95kZwI0l4aMxaT9QxWVoOzTB5H9GkDRikj6aseMv6iBb44rnxVN06xZ6Q0CHe8XQa2JeLZWijDkjhtcQSRjRsaBQ+Glo+eSVOFczpLbHIe2nAxupRbU3Xw== 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