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bh=LS4CO1+OYp8+pSPAS3NbVTVyYCl94ZecPiNEYxC3hmA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=CJJvjOw+X6UtTg/lqL8ZVRUh/RVGx5PxK8snE+ZqCeomdOQujflFk2FFHiNvl/ZU1 XCTYp0V5Rb+fDuKcpVCgjaW4mQHjo90kKMw7DYWgETVIOnPptF998uTG9ZVl4jS4J4 4aa4ROrn8scaihdX1hzjiincl9U4+xjFLpR1zYLc0g6hzrTUn/nayP7tuEkKRPgE0D xTNiqNiAJoirtyFYLFT06snKihTDgdYVWpNLB0xU5RQmAtrJcRy1d8fwA6kZW+GPSe Ur6QkN/Ki7SFOMBfR/InNxVACrwyMdyC1SDzMgbtrODZYUPRA49OgW4u/eAV5QBwL0 ylQc/V+mVDeog== From: SJ Park To: Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.1 08/11] samples/damon/mtier: stop all contexts with single damon_stop() call Date: Sun, 5 Jul 2026 09:01:35 -0700 Message-ID: <20260705160142.97308-9-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: rspam02 X-Rspamd-Queue-Id: 67284100016 X-Stat-Signature: t6ugp1njxcoiqa73iepuid7nykaf5ff7 X-HE-Tag: 1783267315-198234 X-HE-Meta: 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 XC4RtdHE ROGksUUP5jS4/wJ57FccfHZzHjeqCiGlXHI3HotzU8rmYFWSC+be7o5X4CiWJOzWr2GjFtaTv2Pa/2Uu1wVYC0pXqw7TO7NonEViYmLBeE4Zmok6Mz0LUlrUyiM0vnlhzrLZjBCtbc5o3O1ZnB+V4fbTT4ZauRkmfnKQeezwsyMdW8agEjiBx622w/BLAiNgJtn5/jCL8+gu0yZZ3wIHJbEquzKps6I1R9TXWop1Lw652yj+BgN9F3H5zqQ8hixLLkhk4LRxZTSySVi4VUDF1pGeYHgluYrRR/PV68Dcvdm8hWO24PfDSJk4qPjHgqZ3RbE5fbPA6w1vJ895TQW0KutyivWXqP1o2/3euT74HwB2DtYZPeObii0idwQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damon_stop() was theoretically able to return failure while keeping the second context for mtier running. mtier stops its contexts one by one with two damon_stop() call for the reason. damon_stop() is refactored to always successfully stop all requested DAMON contexts. The two calls are unnecessary. Use only single damon_stop() call for all contexts. Signed-off-by: SJ Park --- samples/damon/mtier.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/samples/damon/mtier.c b/samples/damon/mtier.c index 90881e8bd441f..ac9c24b92ead8 100644 --- a/samples/damon/mtier.c +++ b/samples/damon/mtier.c @@ -200,8 +200,7 @@ static int damon_sample_mtier_start(void) static void damon_sample_mtier_stop(void) { - damon_stop(ctxs, 1); - damon_stop(&ctxs[1], 1); + damon_stop(ctxs, 2); damon_destroy_ctx(ctxs[0]); damon_destroy_ctx(ctxs[1]); } -- 2.47.3