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 C8FA548124D; Mon, 14 Sep 2026 14:44:57 +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=1789397099; cv=none; b=eS+Jakr4D/X7nNeEH0QnKpt9Bm46Wv6QEdP2BWxSpvNN/8n/5LGXbllqAw6e/eWXbucGpILj1m7HgklAqo0zU273xN5+3ArbW97Z4lIUXJUTw3Dg8KkMXQqzk5yvL8cw4OkK1/pmvh6NyWKc0D5qrqZea617WjR3EJeoQ7fNSwQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789397099; c=relaxed/simple; bh=D6BHBRxeaxnmXjOk/qO0eNxWnxIZGdfq5CY6QwIgMmU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Xut1Gkat2PdhZ1CwYkkBQkREML5nnPckikCGx6Sr9NBCDTryicwiR87un+gFqgi7lceLzT8pH/bu+MEFvnq2C0VTF7ufiuNvQlwoR2zg6XmeDtzhMMvLQKsW1UF1qi6iQmXY9eR4pNXvE1nfVoFJORcT4Q4l8c/O4Ctbr4W3Gdc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dsJJx57D; 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="dsJJx57D" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B55E1F0089B; Mon, 14 Sep 2026 14:44:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789397097; bh=WsrL2oFK9840WoIrM7QJPBsnHu9HVCMK1ZcOyqnJN44=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=dsJJx57DbIA0yLwgZEFPsiVAQ9E/HPhEGkVn80+zXts6AqF9XSt9ICtAptmYkOQf3 o5yH7Sz+GUGGscu3j1x5Qtip0m3O4ZQNboofdw5bv0z2o53478bhvebVvaex/Wx2dt kmTqN/UiyfwTm0kKGTJwa9ZQTShaUU6TGvuaYKs1RZbLM5yoU8ViUPY8gji6h9/eLs y0AqkHIl7Pi9UV/7XkjCiZQKxz8ZnxnWXMF8tF3kY+426M/lov//9xhI+F34JJ3T0d vFtnwR5f6ncU8wzSGtagMWEdtft4s17bSrCQKLt83QsyeRVRTtcjHo3nnelGUD2TYU vemiadlmIVvPA== 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 3/8] mm/damon/ops-common: support hugepage_size damon filter matching Date: Mon, 14 Sep 2026 07:44:40 -0700 Message-ID: <20260914144448.93732-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260914144448.93732-1-sj@kernel.org> References: <20260914144448.93732-1-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 Update ops-common data attribute filter matching logic to support hugepage_size filter type. Signed-off-by: SJ Park --- mm/damon/ops-common.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/mm/damon/ops-common.c b/mm/damon/ops-common.c index c36cc39cd2c70..77366f42b3e5b 100644 --- a/mm/damon/ops-common.c +++ b/mm/damon/ops-common.c @@ -536,6 +536,7 @@ bool damon_ops_filter_match(struct damon_filter *filter, struct folio *folio) { bool matched = false; struct mem_cgroup *memcg; + size_t folio_sz; switch (filter->type) { case DAMON_FILTER_TYPE_ANON: @@ -558,6 +559,15 @@ bool damon_ops_filter_match(struct damon_filter *filter, struct folio *folio) matched = filter->memcg_id == mem_cgroup_id(memcg); rcu_read_unlock(); break; + case DAMON_FILTER_TYPE_HUGEPAGE_SIZE: + if (!folio) { + matched = false; + break; + } + folio_sz = folio_size(folio); + matched = filter->range_min <= folio_sz && + folio_sz <= filter->range_max; + break; default: break; } -- 2.47.3