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 6A7C337C927; Sun, 13 Sep 2026 17:11:43 +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=1789319504; cv=none; b=kYqVE3D8CbR9/kW3Ht7XNkdVucDB8fqcVrqwjvXTvxpQnE23A+cagFT+lIt5vTGZl4TOSBB1sJVXFtdw7LR8Bvv0CRrzCVtLY5XzePfpQgHwNLF2KVb9bmpDjfy7H2hZeiIPwUIoDNu2pZqoxGmJoPDMYpTN9VTrk2NVOnyp3L4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789319504; c=relaxed/simple; bh=D6BHBRxeaxnmXjOk/qO0eNxWnxIZGdfq5CY6QwIgMmU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IejMv/O/egeyQplpMxu+kPe0f54TOYD6BOL/xUxmKltVDuUxkos8aCjbl7FpK0IHOuywMYd7g52BtxM+ib9gVimlHdb534jaFnTB+GjCzi4qhqlet9cECihJxGn5r9bJVAQBSDLNZ4aPNUPLXCNvUenSMYI7FOYc/upqptDg+OI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CtpSJuGT; 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="CtpSJuGT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE3931F00898; Sun, 13 Sep 2026 17:11:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789319503; bh=WsrL2oFK9840WoIrM7QJPBsnHu9HVCMK1ZcOyqnJN44=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=CtpSJuGTPgqTlFmj05Uz0j8VHGqk2zb3TqX9YBZ1LJs8dgeSMQoqsxMQTrEiSVHJd oskQcoOPLIJzBYIVOPfGFwIbteGteElEN4qaABZ3KK6WUoXy56rwVsMSlRfHK/l4d4 0T8lkofqxYK48n0Nj+jJxv/75zFEP+gmLLYEEn67AO1dnB6CWCOfwbE7pAx/yV+v56 a5W5+HcLAdeCzBlV6v7I3AtvLRbYr4QTdqp3kTi3yIaaApNbDkBROGxXLY/hFXb9MB Nyr/+tn0womjaocaw7Hg5e4myo4WsM5P1sABle6dqmQZjzM6k9RZkrAIf/CZumeu/w j2/Irfe8hNaRA== 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 3/8] mm/damon/ops-common: support hugepage_size damon filter matching Date: Sun, 13 Sep 2026 10:11:25 -0700 Message-ID: <20260913171133.102366-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260913171133.102366-1-sj@kernel.org> References: <20260913171133.102366-1-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