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bh=D62Tcr+yrJC0pq2paze4YieMWP4BsC6k5oHO7N7uukw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=e1pre629Abm3Wss18IAovngoVEas4lAgpSXEC7hslJUpIQxq+v0nsDGk+Djmvt6qo 4nNwW1K9ONc9yrmK7SqGuVbeophwH2MsOJpikH/EAWdbaxQ9Bqi+GYFgqSFRfNbxhv Z6kmNcgKFtrzQrfNydpo4i/PLvYi7CvcLie8DXtGsgRuuverfxs6hL8kfIbEFSOBzO v+iHpK+5r6m5OOg7DNLGbQYzVK2YHUgIyrfgI1LPYayodihtSFp+CNoP8R5Gfi8N4r iZg29W1l26JDLsR0DecNqzcMrxDuSC7Nthye7IhvIcN+iHIxgnWAdS7vSYMPJ2PT1g WqrZ3byWxaiBQ== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 02/11] samples/damon/mtier: do not stop first context for damon_start() failure Date: Mon, 6 Jul 2026 07:06:17 -0700 Message-ID: <20260706140628.87414-3-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: rspam02 X-Rspamd-Queue-Id: 6A41840013 X-Stat-Signature: 7yup14udiczdsitkutfecadwdizcukz6 X-HE-Tag: 1783346799-904528 X-HE-Meta: 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 tuPSyQCu lqPdiQeHj5yezxUpriLJReR1KgncvPnYxi3PW1RiX9fO2JUKL0sp1bVfqembXlMxOHxskwn/FfDQdoFg0+nW4Jm8vLDtFop5B70NfB3sFm5gBX5Qn6rJjGTSgEjvam55ih/F/E3AbPhg4pWA4OPPZTHL3+ws7tkfPdWgspQ6lEfcbK2XmWGm3fD0uTtklOOq1kdvoyi0rMuvDqtrqf2A3jlwCkMkX9cgudCen1uca7yWOj3fMGTED5PHzZSi3J819xDmS6tHgCwuVI/zaShptU87QqcGiNsRUxhSgxg5T0hB8Gts= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damon_start() was able to fail while keeping the first context running. mtier hence stops the first context in the case. damon_start() is refactored to avoid that. The error handling is no longer necessary. Remove it. Signed-off-by: SJ Park --- samples/damon/mtier.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/samples/damon/mtier.c b/samples/damon/mtier.c index e567f4edd80ea..90881e8bd441f 100644 --- a/samples/damon/mtier.c +++ b/samples/damon/mtier.c @@ -193,8 +193,6 @@ static int damon_sample_mtier_start(void) if (!err) return 0; - if (damon_is_running(ctxs[0])) - damon_stop(ctxs, 1); damon_destroy_ctx(ctxs[0]); damon_destroy_ctx(ctxs[1]); return err; -- 2.47.3