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Mon, 10 Feb 2025 18:27:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739212063; bh=LrSHEUWGR3qHfrIKo1moG6hK8HchQtQJ1sO0Uhs1DR4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a/pNKGsELlIKLxoPDcP0a9hKpMJ/C722aqX2HgUqkAWt53FMhmcwuPrY2xj/vFBVl cR4valunDe1rwOwFuuulPEJXvjb0uzAmTM4wF6e8cMALZgzqHE645s5srPVkbDD+4W dKlYod+/KhwfnZv86rh7nMfMsJx9KyZt2tn4UVZptMx/HxBFW98PYxP0XKuGIwaTag XRHB+4TN2QAq3Qa66rJMRPfWahjCedHXxaAaabVmu6OEi2HbCcRJUdCZX4DNu+qSVL gk84/jkYPjDAXbzZKUxITb7RG6BACQvVt8qbrP7lM233RYO0/alneV5cLG09WfpZS8 btNZtSn54q9Nw== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 1/3] mm/damon/core: unset damos->walk_completed after confimed set Date: Mon, 10 Feb 2025 10:27:34 -0800 Message-Id: <20250210182737.134994-2-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250210182737.134994-1-sj@kernel.org> References: <20250210182737.134994-1-sj@kernel.org> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 0AA6840011 X-Stat-Signature: ntz5ukncbdopxm4mghiiyc6reozm1pza X-HE-Tag: 1739212063-53820 X-HE-Meta: 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 BAPdTtix kgb4AVi3tO1aWNEen++BCwgPmtRYoVQOshGgre0B18U4GiQyPIf37yNeGqm14VQmVf704M6UJKhpxiyc0aHPU1N5sTczti0GxgmroA3znWCVWsY84E4xVVkjp2znAAapANIBS+bt4BKuj8UES6W71EJys+ebDj91j8cKRauSVY/fdWexGJhgXO+8q8NyCYGix6bOh+0diZugiSziJozSKTHGBIHgBSopST+zE3ufVdf0VaZqVKPBzjXITUfptqpmSGGC+QLSK93yH6NFV/96K9n32jA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damos->walk_completed is only set, not unset. This can cause next damos_walk() finish earlier than expected. Unset it after all walk_completed is confirmed. Fixes: bf0eaba0ff9c ("mm/damon/core: implement damos_walk()") Signed-off-by: SeongJae Park --- mm/damon/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/damon/core.c b/mm/damon/core.c index 1a4dd644949b..1d9025d14d83 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1489,6 +1489,9 @@ static void damos_walk_complete(struct damon_ctx *ctx, struct damos *s) if (!siter->walk_completed) return; } + damon_for_each_scheme(siter, ctx) + siter->walk_completed = false; + complete(&control->completion); mutex_lock(&ctx->walk_control_lock); ctx->walk_control = NULL;