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 621ED2E8DEB; 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=P0O+KhlXIZQ9JkqOjRh9EvayJ5HYZG2ehz+YP9YNzEH1MDbBgPPb4pYZRJfc6qHBTxyuYW0vSQgM/oLgwNwwrFmLiuAau+iK+TJLH8MwQPYeQX3gkoy/aihDHSsd8VZf3wjJihtqH0/T9IO4LO33Cy+xqudOXCz7bu3zLKvHVtM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785013356; c=relaxed/simple; bh=8Es9t85Bo0rhryEbzvuu9esxBebv1o6si/8zbB0v64k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=h/z8g2WlqXHrm3wed+99BcdF5fUgVQqki8bY/Nnj39qYh9T4n9f720rbgn6POS1laQKH40Dnvh6otQYvWjbvUIfeVwHI9cr+JUSvspa4qtwWMl2EgQ1Ul6m8QnF2yMnZaLtiuZOudTHs/5Xbao8x4VXQzxXeolE0dk7qj8vH2a8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lFj7w8nV; 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="lFj7w8nV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 131981F00A3D; Sat, 25 Jul 2026 21:02:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785013355; bh=TO6lwsfm9yD3fzAHYwk5XK83WiQ4wpFTJMXF7vsoc7c=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lFj7w8nVTqEB2buErY1jl7xXmFwvOsim1E4NC8kbWZ1Qu6ooxtvrGd6YXzcAQkTdg Huw77UQNc2rm5KMoemylpLcMRVMSPHigiTHKzg/t9uY3/VdfAN1ntVNsgNA+U0eqB4 iaqK9aLDyKuYEnpgL/Szwhh3z1hVG6cTy+0cmEJqzAfzk3E8gxS+P5eeo1+p0Hl6jl Hzynus+xvrYy/UPDb7vQAHnlOfK9IWKCjjFzKfUxsDbtovxAdbn5C1u07kuZH3VSJz pZiCj/CTaMxoyWevhx4ZzkNNwCyCVoViZ158VU0Mjg6C6kA8iDkD/2xA3X/e02UM1P AlqQOdScGPs0g== 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 02/17] mm/damon/paddr: support PGIDLE_UNSET probe filter type Date: Sat, 25 Jul 2026 14:02:06 -0700 Message-ID: <20260725210225.129944-3-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 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