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bh=LS4CO1+OYp8+pSPAS3NbVTVyYCl94ZecPiNEYxC3hmA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ekfWfAuitYuwonapsS/11mTl8oLxfiZ2cBK1kLPuSJpYed67fF5WpGEiA8qCLTeHV pw2EgFq2BiN8RqJZ/pLrwxVU78kOUO7OR8JKvNbquHZwx5yosKyYIOHWFX31OuRytp uLDPB5rGRFTp3vjUT3soJOBDfvJbcUgwbb/Qq7sOl9dZ1hRau47Y1PdPdPEKnhJ0VK Spja7poO/Y/hm7JfDLQjzy5U582amuse6yO39Ujs0n1aMst3gKbmUp4B4kaWMccWNZ PeDR1rK/7cDV7X51YD+Tu7sFYtHD9UDvFiqO5yoIHlbt5VBqSFTqVthvnno33EV/qK 76ODUHFS42ZbA== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 08/11] samples/damon/mtier: stop all contexts with single damon_stop() call Date: Mon, 6 Jul 2026 07:06:23 -0700 Message-ID: <20260706140628.87414-9-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: rspam11 X-Rspamd-Queue-Id: 3AFF3140005 X-Stat-Signature: rq5f4ezz73oi3zhmegxjpxr9dbcxjjwj X-HE-Tag: 1783346802-159274 X-HE-Meta: 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 9kKIpspo ttJ4r49OyrsLKgmYnVgamydBpAjmRjMVFf2hvoxSGLn+UCNkikzhSbbKCiF2DnqiKEP+BsgtkBfV0InEJtY+xjcMvjkIITqS6GOUrE586yW/taxs76IWPNYzSJhPLoPkQaXXlC7vqIidK5JOoxl1vQlLv/pzREMgTcoOcC7Mexj+dtJa1RgunmEeC/EEA3yXnU3xT90jwssAnZUZsOhoxGp73fCBgPHgbGVkAcrYOVoa2Eg7N6z5oTUgMHM9Op3FkdfRSP6F+THiBNKMTMGli/+ScJ1mRHG/wlXPW/lyYzt56nmg= 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