From nobody Mon Feb 9 00:25:46 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FD9D2566ED; Mon, 10 Feb 2025 18:27:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739212064; cv=none; b=BaAyKYYFrcwPBRv41Z7B8LNRcLdQto4bQczK2XgZPqcY8lCDQpM6PnFtQ3G4io6kC6k/DmB0XxLt/wZ/hmPOMsV53t8AZVLJ0gQPuJQzUZJOfRjgrw1aeszrUFe8+iMqmOHLD5AkiByjj0MgFu7ukYoiL+NPM8PLk0GwkMKSzsw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739212064; c=relaxed/simple; bh=LrSHEUWGR3qHfrIKo1moG6hK8HchQtQJ1sO0Uhs1DR4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=fg4y9Pu0X1shIfSGCuacGX4CBvUdUTnWC3NX6Ml4R4a+n8abG6GFQmchxtQ0vmrcPFZW9DweQB0JsadB/owI0KBYLXZfLX3oTD/86G1AmenNS4Ei+6pv5UtCK4tcRrCefvsDbROUJ4NPExdEpST9JNBs/XNrX7Gq6DDgFJs+2h4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a/pNKGsE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="a/pNKGsE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4AC7C4CED1; 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 =3D false; + complete(&control->completion); mutex_lock(&ctx->walk_control_lock); ctx->walk_control =3D NULL; --=20 2.39.5