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b=eSIXgO6Y39Jn3yR6Y83ITTi34aztQHPintIirt4pPS/K8UusGSbAGwLRqq2nXXiZv KNToG+R5NR2v4tu+Hk2nDZF4kcL+MiopcqTNx9d1JxORowFWmPFO/tAZGvk0k52lP6 C0rTf4Sf9jN1RwfUaCxBnFu3Uoeq/DZwaK5kgMvDTs8oq9Gjg+LU23WrtuXhHn6Rzl rgk3Mjrpp/Y7jgTI8V52UzyzoaLtaVZe86VEhQV8/+CYNHGp1QvYs6jxosj3zxtaHo Hz8GyXpoDet0mPXcIMaYvqtuNDNMl4ruAbSpDkwk3sjopnz0B5jAidTGvJeMndamGe f1tOVzfCIyBXQ== 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 07/11] mm/damon/core: change damon_stop() return type to void Date: Sun, 5 Jul 2026 09:01:34 -0700 Message-ID: <20260705160142.97308-8-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-Stat-Signature: iwngwjgy5jytesxb859hmtdaz5sajrwh X-Rspamd-Queue-Id: 1A8EE20008 X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1783267314-243077 X-HE-Meta: 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 /Ph0iCcZ QgPpM3wPLtJmztQ4famoYC3BoIyTVJggHhPgAYx4Ph2Rn12qC7CbqfMuErvJ+12uHKJ+7AM74+ipET+TTd1j6pKuiNxDcPteuvnPkx70TwSVwZ0tVejX5iz8Ox+mlRGKUDBeYAJntz9mtslG3qmYSouqB2xKTNccnIO+/u7FgPS2LomCaa7CV3wfIrUChWY97p/VkowmCPzvmAcSs7RAmYegq7sMQ21YFeOOPVDCjhCOvd8Xxi5wLDZ6IDZDZxACNJDg6MatFsGJdkblED7eN0oitgg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damon_stop() always returns 0, and nobody cares. Change the return type to void. Signed-off-by: SJ Park --- include/linux/damon.h | 2 +- mm/damon/core.c | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/include/linux/damon.h b/include/linux/damon.h index 2661231c0ae82..19b7e839bde0b 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -1070,7 +1070,7 @@ static inline unsigned int damon_max_nr_accesses(const struct damon_attrs *attrs bool damon_initialized(void); int damon_start(struct damon_ctx **ctxs, int nr_ctxs, bool exclusive); -int damon_stop(struct damon_ctx **ctxs, int nr_ctxs); +void damon_stop(struct damon_ctx **ctxs, int nr_ctxs); bool damon_is_running(struct damon_ctx *ctx); int damon_kdamond_pid(struct damon_ctx *ctx); diff --git a/mm/damon/core.c b/mm/damon/core.c index 84e400aa4e823..08510bf9b38da 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1947,14 +1947,13 @@ static void __damon_stop(struct damon_ctx *ctx) * @ctxs: an array of the pointers for contexts to stop monitoring * @nr_ctxs: size of @ctxs */ -int damon_stop(struct damon_ctx **ctxs, int nr_ctxs) +void damon_stop(struct damon_ctx **ctxs, int nr_ctxs) { int i; for (i = 0; i < nr_ctxs; i++) /* nr_running_ctxs is decremented in kdamond_fn */ __damon_stop(ctxs[i]); - return 0; } /** -- 2.47.3