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 1C40437F74C; Mon, 27 Jul 2026 14:38:32 +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=1785163115; cv=none; b=SORbDIwISqvkdIu1lj55Hf3cxCrGW+nhLTt0kVEXPeNQmT4TSMwaRChtO5BTZTKFXzw1MCuhVwW8LcTRPy0X0vTPPnBk827Ab0VKMYh2Cgb4PfX2xSY4JjAZesBsoffRveftdX3SXruvu3NFA00iWDTS3BSngFI+zwurXm1YyHE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785163115; c=relaxed/simple; bh=b5kSQGCS/ZAyZmfPJm1xVu80EMtlm0HqrWMr37t/cqg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kJ3WKZQwaLR0uVQ5kgO2zlouztXKUQ/1V+QQWsQttJGZcQyvMQepcK6RSpY4Cc2YcK+0KLat8CfAjVWTWiMFVeE63V0K9YTYVMVGVsOvydL5TIDPiGjVKIYbi2SGGr4bf72PUkbk0JNq/C6cQxuUdi4jvFlMmtqhxKZi3y15/h0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=befYxMiy; 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="befYxMiy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A438A1F00A3A; Mon, 27 Jul 2026 14:38:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785163112; bh=GZDCgXboPWDjpqLBgpT6yf0F7vtlbLEb3w3NI8ROd0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=befYxMiy6AyURSIp+XkQKBehuQc3Jwld2EV7aKfBQsYpX+808ukS5GlaFV5o/Klj9 DrO9OWz35Rk/heMaMmAAUs8KePMFg2bvABfsC1TEDQZYcEb5eqb+0IOoCyHSd2MGBL nRVWmc0sYcLzhPdwl9EP6LZUZHs6XpXR7ET4K9Tb+xfZIVmaD1KFx6BxF0Lk/Q/dxk PF31RVYx7SlbA//hx1g8cS84eJXV0l9fMF2cgFnO65a2w+x6fuEdYu9qUD/RTbp+vK Av29OKb/5I8NLZGGQyYrohyFjzKM59DpSvnGVHoza2cJ/J1RRuzIe8mVWkuyzF/n3y y1xtRIhlQiN5A== From: SJ Park To: Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2.1 01/17] mm/damon/core: introduce DAMON_FILTER_TYPE_PGIDLE_UNSET Date: Mon, 27 Jul 2026 07:38:10 -0700 Message-ID: <20260727143829.86236-2-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260727143829.86236-1-sj@kernel.org> References: <20260727143829.86236-1-sj@kernel.org> Precedence: bulk X-Mailing-List: damon@lists.linux.dev 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