From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0333DC88E7F for ; Tue, 15 Sep 2026 14:34:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 34E996B009B; Tue, 15 Sep 2026 10:34:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 28A0F6B009D; Tue, 15 Sep 2026 10:34:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 152116B009F; Tue, 15 Sep 2026 10:34:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id CAF3F6B009D for ; Tue, 15 Sep 2026 10:34:11 -0400 (EDT) Received: from smtpin08.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id EF17912046E for ; Tue, 15 Sep 2026 14:34:10 +0000 (UTC) X-FDA: 85216241460.08.04C7709 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf02.hostedemail.com (Postfix) with ESMTP id 5E98380003 for ; Tue, 15 Sep 2026 14:34:09 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=IKTfjrvb; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf02.hostedemail.com: domain of sj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=IKTfjrvb; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf02.hostedemail.com: domain of sj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1789482849; b=DyuYz9LHF0Hf51fRZ9maEB70pKzdw5ad0kMBKwOsRmRkT1Hlu3edALecMD2q/vkSwED01L radxbxaESdfq7BXCorUVlBcO+uAHrKGOlaL5ZZXGrnxXz5/KW1SNFZrxPNKPeRs5w1mi+J 6puopVA3VXOIA/260N1CRUmT6G2sJMU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1789482849; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Gmq/rX+sVM9Hs+BxObGYka5NbSCER5H2QYTBCAxyvwk=; b=CuCR+0kgNTVmFQKq2BNFERWOu1SC8gS/7LdAqaSuLZcxocdq3hcwa9FKo/U7MtOkh+9isl /vRDFJ2t1o7pLJebbBhanuOb60vfkuBUV/j0mfXZNQmRruaINFmCkFgupeVA/FxOSD/o0i llF8sxY/gMUji9S7Z5Z6rm1RJevu+7k= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 0826C600C8; Tue, 15 Sep 2026 14:34:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C02F1F0089C; Tue, 15 Sep 2026 14:34:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789482848; bh=Gmq/rX+sVM9Hs+BxObGYka5NbSCER5H2QYTBCAxyvwk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=IKTfjrvblH1XAFUn2DjPAqJOUKpweJegz/oaoeuPnAb1YEh/1NPFZV+zp8yF7an9v upCA7m6JMQQSaY0IyOiGHkKeAmVmp/illE1BkjKz5QkNGofmZdbdNcN5ythcp43cLQ eUk0zpBFHAiFtnNwS+kmJ4AD5sZTpb6lQLqPmSOLDic1MYof6fLjIhQGVnUnno9E46 /rhr6AzaKVFx4oRc3o5rVBkPm1w+8fMdLO1p4Ruw0m/IAi8ztHUJMtGgE+/UILgj6F YEGbY372kdAxW75yeVzVD5U/SO7diUak6zDkMiNu3mAliSybM/f/mP9Fkm3E8FHa9N OYxmEhPjvDOcQ== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 5/8] mm/damon/sysfs: support hugepage_size probe filter Date: Tue, 15 Sep 2026 07:33:54 -0700 Message-ID: <20260915143359.91472-6-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260915143359.91472-1-sj@kernel.org> References: <20260915143359.91472-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 5E98380003 X-Stat-Signature: odnbxz4efcpauedfwkz54cp799ksdawq X-Rspamd-Server: rspam01 X-HE-Tag: 1789482849-977290 X-HE-Meta: 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 aN+eY9rw hwzyVZjMgBsIiX7xUXMv+PY99xrVb7M18d8qEQ3M0ZbG3BvWlCuH5+BhJ7SGEAkOX4wNfMXJ9YY6Sr3vdUikEDczeVAjIL79Yc5MnFOae4vUzoSEXyMTWRmwQvsv7S3hThZD0JU8ymXHWBoBeVoJ8Jvy2oOhFaIgGGJU1HrKlUPC9ksMrx9aGh1GqKxl2ZSNPtZnDxQNxuMrzaU03Oqi0HBoPuTvw/tlP9JdU7DtoxnjWGfTnxcHmfuAtFGnQ9hm9UnrbkivRoQE7xCos+sUz7jq5AqN1HpkdlTxEHLCcVVfl4OE7CGE/qytQIfIoqJ05rZZ3YK+4/PcDgijQG24vzc9eUUb6KztZ+I2YpQuNNIJDR0k= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Extend DAMON sysfs interface to support hugepage_size probe filter. Allows hugepage_size user string input to the filter type file. Pass the size range argument that users set via min/max files under the probe filter directory to the DAMON core. Signed-off-by: SJ Park --- mm/damon/sysfs.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 8e8d89b8ed981..43519afb9eb7f 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1007,6 +1007,10 @@ damon_sysfs_filter_type_names[] = { .type = DAMON_FILTER_TYPE_PGIDLE_SET, .name = "pgidle_set", }, + { + .type = DAMON_FILTER_TYPE_HUGEPAGE_SIZE, + .name = "hugepage_size", + }, }; static ssize_t type_show(struct kobject *kobj, @@ -2273,6 +2277,9 @@ static int damon_sysfs_set_filters(struct damon_probe *probe, damon_destroy_filter(filter); return err; } + } else if (filter->type == DAMON_FILTER_TYPE_HUGEPAGE_SIZE) { + filter->range_min = sys_filter->range_min; + filter->range_max = sys_filter->range_max; } damon_add_filter(probe, filter); } -- 2.47.3