From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 DFAF82F90E0; Sat, 9 May 2026 18:08:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778350122; cv=none; b=lekAAbdUUYQ9J3IWSa/xSb73rHJEwpJjoDzLfkbe0og/R0n4y3So37Qd3TTfJjzUBjUwDQmtEi1TdNBH0WxZUQHpx4Uaj+9Q30Ey9npHodcXSKsd3l0gL0amCYD1ccmzXVaqPt3PHl1zxiwPZx8r78KJk7x/x+QzNd7KsKwXpP4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778350122; c=relaxed/simple; bh=Xue2kNTph1DeSV3TcWxLD18s+ANHdngAml/KOCEpdGg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P7CZX6ltdgF3a8vvOGbHZzZZFfaKHLvLoq6L7OiGjSClgPmCQr8uiIwRgyMksKEvZ+AXBDuWT68HGSPqCo4z4YJsXkt4bL4uq1eBf7vNuzjErsnCC3FhDLABQfFoDiZFO/V+26Y31eHZQdChWEcogwPeIdbiotGft06BGsmZ0Qc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f1F4N4Yt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="f1F4N4Yt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 783FAC2BCB2; Sat, 9 May 2026 18:08:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778350122; bh=Xue2kNTph1DeSV3TcWxLD18s+ANHdngAml/KOCEpdGg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f1F4N4YtSoMiyOp/83BbhtnxXh4UyvdPh3gXp7IVv6tw2KpNQV3TLMyRbht5Yseoj hRA3Sm9oBUbglj2zJjVJO3lFdOzySnQoKfWy085vV8H4frku7c4NfIqE3MQzxQEWzD fh4MZpK0fbBSNo8wRs7Ey2bVfUEvrrg0VTBQx7ir6HNMCfwiZsEs1zk1RnHxZKhbT5 NRCrXI/j55tYRLi/wnawIZnqnxowSV238zNDmfukSjqglIZ81Jcn21Rp61Vc8iFEbl +vUOI1e2XwjkchbT8qCjWBooJ3Mw1f9R6f4izaQrGwCzE5kWFF33BYyCFpz5JSG3O1 H+gUqKninmj9A== From: SeongJae Park To: SeongJae Park Cc: Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH 08/19] mm/damon/paddr: support data attributes monitoring Date: Sat, 9 May 2026 11:08:34 -0700 Message-ID: <20260509180835.90078-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260426205222.93895-9-sj@kernel.org> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Sun, 26 Apr 2026 13:52:09 -0700 SeongJae Park wrote: > Implement and register damon_operations->apply_probes() callback to > support data attributes monitoring. > > Signed-off-by: SeongJae Park > --- > mm/damon/paddr.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 45 insertions(+) > > diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c > index 5cdcc5037cbc1..cacfbf774ca4f 100644 > --- a/mm/damon/paddr.c > +++ b/mm/damon/paddr.c > @@ -120,6 +120,50 @@ static unsigned int damon_pa_check_accesses(struct damon_ctx *ctx) > return max_nr_accesses; > } > > +static bool damon_pa_filter_pass(phys_addr_t pa, struct damon_probe *p) > +{ > + struct damon_filter *f; > + bool default_pass = true; > + > + damon_for_each_filter(f, p) { > + bool matched = false; > + > + if (f->type == DAMON_TEST_TYPE_ANON) { > + struct folio *folio = damon_get_folio(PHYS_PFN(pa)); > + > + if (folio) > + matched = folio_test_anon(folio); > + } This code is leaking the folio. I will add folio_put() in the next revision. > + if (matched) > + return f->allow; > + default_pass = !f->allow; > + } > + return default_pass; > +} Thanks, SJ [...]