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 AAA2B387359; Tue, 28 Jul 2026 04:12:52 +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=1785211974; cv=none; b=f0QDghzJc4HdlwoC4AX1ouD5PXFJ6EC8A0BhQGtmJkUU53y2sbDjApWl2GbfShP9fnOVxY25UaYlDE4mW41uPUAlTOEqf+IjLwiI4jHlwYl49Bs4v7pQAy+kyFwXuenAk2ycMRVK8fy4S5HdXovuKpU22wa5zIj7Ehw0h1jWd9Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785211974; c=relaxed/simple; bh=jpq/IlpRlDFv3aOnFkdxRMPdHVCj+SY7//xXwyTTJK4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JWHtlvh8qk2xRIpRkuDuxUjtLvW5L8GecBT6n52e5xsMidfAC+N3Hs52rwy6GG1Mi11sa1wlwfJdPFL56uIUH7gF+frHD7eaGemrXqG6im//mgSWm+hegmLt2XqCyOmSx9BUVA7tRiApM4CwcQCfgOOOiAKl/bgWsVfb2ovVJdk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BU7cvj7f; 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="BU7cvj7f" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44C831F00A3A; Tue, 28 Jul 2026 04:12:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785211972; bh=g9G+NjVl63rSPH9VnWm2f5oghlS13iCb5rZjc3IcuDc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BU7cvj7fItepfo7P2H5V6mbK+RlllHjNhRlbYmlE8x3f5l8wkYHZvT6OP2OEuxajd 7bveIAFbpH+NxUTv3jAxiqTcOrZ+NI9THdXyEyDMHUpu5+MmAlbLQKWbBL3U0uCP/Z 2XQ5fLsNjbqzpdZkkL7dIO7Dd9/lM6KqyEkp39x05a7ecpfkzqUImVIaVpjbB5SQKv niu3J7WSSKaGOUz/awPMx+3vBCQySEbITp5vEBhL2PcUr9shCmQcO4fslmFaMx6erz nLkWoVjIAnEpDid3DogN4rYOOIoV/n4wjTgQucrdgWt0Z9l+54MQZTEUr90aOO2dGw oyaggPaJIWtRQ== 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 v2.2 02/17] mm/damon/paddr: support PGIDLE_UNSET probe filter type Date: Mon, 27 Jul 2026 21:12:23 -0700 Message-ID: <20260728041242.187380-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260728041242.187380-1-sj@kernel.org> References: <20260728041242.187380-1-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 5c6c3a597fd0b..5b307dcbb2a50 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