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 DA26A3BED1F; 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=DZe2RrbnvRe2W9w/A445fUXN/cXPbTCUnQtu71SmCw4jsMMPbVUnwrFF0klAy9gF4K7MVPxkCO5iM2f6TfdTWwNxOknqLSl12mckI0k/6U1fbAb1Xv3BME9XPu463h3H61I7RtxiMUvTv8XuKeEPi7/fFRABSoIbnSLqcvvXtKw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785087585; c=relaxed/simple; bh=8Es9t85Bo0rhryEbzvuu9esxBebv1o6si/8zbB0v64k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eYj8okmT+EZBnvBapiF9x/QBr50jTUaS2wCeKcppp5IRnDXgPQaeCFrzF5UcTfL/WzEDRprKj/efFPhtDQhBfLGGjSCCQJ7QVYi3BwR8zr4APFmFlquX4tINST4+3vHtDyXGd8xZKj4orQxGtzujms1NQ8utNYUOLBPOXFPpVkI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FHQ6mxzK; 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="FHQ6mxzK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 976D21F00A3A; 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=TO6lwsfm9yD3fzAHYwk5XK83WiQ4wpFTJMXF7vsoc7c=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FHQ6mxzKDEuHBHoOEGwZBQOyym3BeQ7ltUov1D9T3LMR2jbKsGRDEW8fiJKS8ZQUN fVkCxNT/ttrp57AP0Lym8qGWAWfBgSTXUMfu9MCzxYdYbaDevtArz6vqRkcGk+Wk4s JdhY6ko4nFmWIQHKtBQAO9KGNNE3lQj/FrBp8nWsOuKjmRDXgBaBKI3viF/3x7iwTh JuCuVrJKX10Ap3Qk2vUZYZxc7PsghQASOZtnrZpaOnibDXPrx8chRzk+bOD13S+l76 GmvKd3iFGjgPND2f7ZvZf/entQ/W4LK8xkl+rF9k2cew5jX8Qr7660oi+7jvq5MbYn DF5pvaEYLfU8Q== From: SJ Park To: Cc: SJ Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2 02/17] mm/damon/paddr: support PGIDLE_UNSET probe filter type Date: Sun, 26 Jul 2026 10:39:18 -0700 Message-ID: <20260726173935.94046-3-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 Implement support of DAMON_FILTER_TYPE_PGIDLE_UNSET in the physical address space DAMON operations set. It reuses damon_folio_young(), which was being used for access monitoring. Signed-off-by: SJ Park --- mm/damon/paddr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 5a6a78054784a..199de1463fa06 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -132,6 +132,12 @@ static bool damon_pa_filter_match(struct damon_filter *filter, matched = filter->memcg_id == mem_cgroup_id(memcg); rcu_read_unlock(); break; + case DAMON_FILTER_TYPE_PGIDLE_UNSET: + if (!folio) + matched = false; + else + matched = damon_folio_young(folio); + break; default: break; } -- 2.47.3