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 2C101246768; Sat, 25 Jul 2026 21:02:35 +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=1785013356; cv=none; b=i8vHQ93Chk+3+PP9l+V+TJol6IrHHczojuesVS5AltVg1P6ldbvvt6lba0eeYmYZsihf0RBmvKLdxQTTinHNrjIe9PDLQCQzWaQgt7qC0eTDmTyC+8tvyniEpv8VTBMqKY96bEKcmS+ypl6R/r4cb9n7r065HVa7XOT61BWHUts= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785013356; c=relaxed/simple; bh=b5kSQGCS/ZAyZmfPJm1xVu80EMtlm0HqrWMr37t/cqg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GwA9XeiFvqMe4ABLMv1YXsVeCHQpJkCUfc/yXanIScA/Q20Cn78pt3I0n2EM871Bys3jjfUduV4q+0Q+/4igC7PSCamSbr5gJfZ1I1UBr7uKEL+DJ/55DKMRuredGlb56dLi2aUtBGckKYUQ3OXhO7dYSo3CfREPX1hYYxdvIkE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A0SkmNCc; 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="A0SkmNCc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C3C341F00ACF; Sat, 25 Jul 2026 21:02:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785013354; bh=GZDCgXboPWDjpqLBgpT6yf0F7vtlbLEb3w3NI8ROd0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=A0SkmNCcRAszddBVfeaHVKD67PkiqdMZ3a6juJ0HvdMVBb+c8TpvCPILa4l3G8I2x xS+awYaBkiZtMpjmrPR/8TQl3ysqxjn8MsG/Py1Invs8ZwHhwuOFlXsxsEHme1Jknt Q67b1KaQlKN3Oi3+TGQ+YzvK19DFe+a+dds+71zSQjLdg/WeTXLd530CuaaChSQAnG REer/H+zAoYSw4qvrZU9cYDLvVp9PIos/skkMR/9SK5b6wN7Go8ADVeEuDI30Hlf07 oeOml/l39fh7IJA/fkkaRHU+rIoVNVYHu1TpekEm2YBiPMKEjsp2Bxt8oFrX4z5g9j 1tG/ItmnaPGNw== From: SJ Park To: Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 01/17] mm/damon/core: introduce DAMON_FILTER_TYPE_PGIDLE_UNSET Date: Sat, 25 Jul 2026 14:02:05 -0700 Message-ID: <20260725210225.129944-2-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260725210225.129944-1-sj@kernel.org> References: <20260725210225.129944-1-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