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 43C8130649C; Tue, 1 Sep 2026 04:34:26 +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=1788237267; cv=none; b=ZTSVqXDW8IpvaInb7fDU5dUaioVurz/zdkaqDRkeHdMA81yMZC+a3qNgjYqdW/94DMjxMUT7CBhMmoZCSdPo0ZGcoWq88mQKii8GiMkxERHn9K2a61PzuofEDmUe1LP1UW4v8Yp9WVpmf2VvcqHN8uNtLTwk8Z10BZKQTJg8Eqw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788237267; c=relaxed/simple; bh=ieT/ne0vOY5EYTrH52WVPjFrGyxfjporIuBqWV3GlGo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X3dfYcdSlNHv9+2aeaUo7eyw5kaeWNhOw604T+rXmz/wtKg9CpvudzvBjA5RymZNutJT8aeoB3m5n3i+jrd7jUI2Gg3KNytt+hNqFAZHLPG3/vhA2af/lgvrVi8xYBOl0Yi3KZjU2Mn+TQanz3nHFBLyaGziUtoHcg3DwhmQWlI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lYH3zQ5S; 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="lYH3zQ5S" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E065C1F00A3E; Tue, 1 Sep 2026 04:34:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788237266; bh=atWhsqWAE5VXdJdWplOPI8OSXhIZpjioTpYT4VKG/08=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lYH3zQ5SYuwmCzVXw1REpmSNZgFjVOsByf6Q1uK0lugnPZhdQWMzCHvyY4kH+Z3RV oUTL0YnSlkcmSj1DGoGZf9ya/a2JfqIoPPNpD8728FfC1jeYBqLMx+rBC6IeufIehi o+8xoqtqOA4nxI6KoEJV/Sfg3TcOUNXSGHaNP43tBO4ZuFQT490Ux9Mkx3nKVGHYxa Ce8sCG0hmz/9kEgQw2dDvqoPTCFE8dVqYplQ0N/VaiCYFlHnV0Dbi3oGkZW7fz7hE0 i2KaXBCGMPg3r1qkYEjM6n6PjJCwG2T/OWYkMjAElBAb+dgRFH4otY681Frxkf2hVF qgwyMFxfkeaFQ== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 02/17] mm/damon/paddr: support PGIDLE_UNSET probe filter type Date: Mon, 31 Aug 2026 21:33:58 -0700 Message-ID: <20260901043417.2165-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260901043417.2165-1-sj@kernel.org> References: <20260901043417.2165-1-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 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 9ddd1ec8202b7..6f756f8493894 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