From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 88F3A3BB67B; Sun, 26 Jul 2026 17:39:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785087585; cv=none; b=NlqIlp7SgFMHS7uGX/PBFKt3RGDLpr6pRwP1db0HNQCbPf7+6TZd0Q/dzTzGsYe8PeK1a5i29tYIHRqIPqfTg/vTMTDW6AVZrahCZoMbjMGxcPxQSkI5lFeoI8XT4zDmwQxgqykzZGoMQ8qXMA0cjvfQOYtq8v3/CqP4YqcdXQQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785087585; c=relaxed/simple; bh=b5kSQGCS/ZAyZmfPJm1xVu80EMtlm0HqrWMr37t/cqg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S0IIMvzWug6vlnt4dQ79ZIkB4gZzqtcpIbmhj/WIp0zQsGRrW5JwYtkyXPkIUxaODoSPvynF5WeOtOAFOW4+Vq7C/iI1vTyhovzHvVYsK6CUopJjRCFAm40aS7XMAyv+auW+nJx1UBAgURhErqubpTotgzOoiACyyaBILQEb1tU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LWrEly58; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LWrEly58" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4CE541F00ACF; Sun, 26 Jul 2026 17:39:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785087584; bh=GZDCgXboPWDjpqLBgpT6yf0F7vtlbLEb3w3NI8ROd0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=LWrEly58rKaHpWNIwKG6oHI0iMSBdjKmcvQ7s2AO2mgAT2VPnt2aRsdPZ06XJ9ZTO dfZ9wlvzM6m161Q2rKE5nDFk/9GMRVDmRn6TA4l9H4qkrMpVmcjTfM6PGtVDBgeMFK Q7lVEVWyJG0JHFPsBak0pAnGnrG3l+ewup7lmZOWAW0nNDoxF3BsVNobl3YpX0wAkP z5blZPRWmTHaPJhZJWoJWHEyDXJTr+eQO6yZrslUUHPgoU24ts5U7sLOrX9ZTJMd/j CD/Vj3doqmcYVvBtqX1tCQGn6CH1cCn+lZG+IODny99luBvDhFiTSeHYVLuSQSbtRU ObHfM+KZwuHCA== From: SJ Park To: Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2 01/17] mm/damon/core: introduce DAMON_FILTER_TYPE_PGIDLE_UNSET Date: Sun, 26 Jul 2026 10:39:17 -0700 Message-ID: <20260726173935.94046-2-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260726173935.94046-1-sj@kernel.org> References: <20260726173935.94046-1-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: 8bit Introduce a new DAMON filter type, pgidle_unset. It will match pages that have their PG_Idle flag unset, or the page table accessed bit set. In other words, it says if the page is accessed. Signed-off-by: SJ Park --- include/linux/damon.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/linux/damon.h b/include/linux/damon.h index 8ad6ef2e063de..cee4b74761081 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -744,12 +744,14 @@ struct damon_intervals_goal { /** * enum damon_filter_type - Type of &struct damon_filter * - * @DAMON_FILTER_TYPE_ANON: Anonymous pages. - * @DAMON_FILTER_TYPE_MEMCG: Specific memcg's pages. + * @DAMON_FILTER_TYPE_ANON: Anonymous pages. + * @DAMON_FILTER_TYPE_MEMCG: Specific memcg's pages. + * @DAMON_FILTER_TYPE_PGIDLE_UNSET: Pgidle is unset. */ enum damon_filter_type { DAMON_FILTER_TYPE_ANON, DAMON_FILTER_TYPE_MEMCG, + DAMON_FILTER_TYPE_PGIDLE_UNSET, }; /** -- 2.47.3