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b=ZxgyzLj+MBt/efF+VjBrUc09pF0OZcufMkNpkBjceDlB2aPG/3aJv3N8u4SE5Ek1e DbPYt8ivSd2IZzrqKgLqbpsUFJzkC/cH+n7TIsPCaFXr+er+yTEYoQ+fErR6gxmmMx Di0khw5Wa7d/HU01KjspUs56sOeUjeo9qGErnh/+tb/kasjjYUi7rqTiZWYkAjqWqN YhDvgVQCgpzbsKfHh5D7He1YuZ8CS85dfQVkWPcaayYBgcpjFZ76edf/fmV9Ai7UfZ guxxxpFXxZcVNK1qQrWN/p4Zxh/lwGxXiKqc3MqErD3V7v58o1zlpLruA7S6j07c1n nMw9+NE8Fsf+g== 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 07/11] mm/damon/core: change damon_stop() return type to void Date: Sat, 4 Jul 2026 11:11:30 -0700 Message-ID: <20260704181135.132956-8-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-Rspamd-Queue-Id: E110D100004 X-Stat-Signature: ugidtkpmhpticcuu51kaks6woaq86niy X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1783188707-598826 X-HE-Meta: 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 mF+51T0c PsEdJhk+7Ak89cWU6ujkvxt/2zQHAAJyXZehsQ2/A3mPAYHEBMthcutjzGLm082Wx39lAJ0bp2S/a6jvQgtm63yKpXam4euOqRxebHPTdmnHwnIysVmoqhe11pk/Qx57P0R2WxA5OPxl13mZjW58T3fkCg/DFNq9rHiwy6P80fLUMi9Rd+cbu1fuXw5wS+M+2fv3NaWBTIOKJEHE5+ADr7Yjszu1Cpdaeju+K46FBNTXflBKKiJxkqpZ1cXxRqVdNkdvPJKhKotLg7VQK3QYJUrUJHQ== 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 ef40aa44850ff..1a6c30ae91711 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1946,14 +1946,13 @@ 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