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 381F93CAA47; Sun, 6 Sep 2026 21:05:23 +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=1788728724; cv=none; b=Py+n6nqbLz7EnfmzGAZiTsHe1H2is90j28rJs3VsQvqLb5n5T1diK5IvbCIeTiFGOw48jwCgILnFv7buSPDZ8HCtuxuIj1uOjtb1F696P5G6qp0gjXcpSXMvdYH088Wc6wEacTrKMAgnkfOejensSh3nDG7G3TqrLaOEOH+Q5NU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788728724; c=relaxed/simple; bh=5MPlXzTMzu+dtxnKFeJkCBo3NIMp4n5dweksJaeBp/I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bKTUHs7/hqDhU3QFFt1hKJQ0aZdaFsSg4wML1iHuTvQTXBE6UuTqDhR7z0jxVZcFeYXRK5znJV/XinNsb6ISt2G6CjYZjtLIhYg040UQRKXRn10ltmHUhVl2eH2e+Cao2JNtOt+4FCyBiMyZQrTlJVGIqoRMj7rL/D9ZzrBxZ+c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=azX6Hu6+; 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="azX6Hu6+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ECFDF1F00A3F; Sun, 6 Sep 2026 21:05:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788728723; bh=KfRQdDvn8Y4M2LTyexgG1B+ohuNKkP22FbeL73FEnAc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=azX6Hu6+AM7WikMiNEgis2NfbDfVi+nNwMk8uq1WQ5j59Gx41P6zAzVDFJmKB2R9b VITdlxluRE7NjpziLnevoqTrfM9aglvtrXBemBnJoRsAh6zTDoANecthhYuhoHx07t TJDMYtAU/02VVKhbbAQrd0kv2q1Y7rT32uUVKIhFBKJQbKF3y7vSB9W71ppE3osmCQ ZyWuQq+EzTBOtwlc/9Vt0w+vKarkgxwDGHo/tSV1OnOGpm9tGDXZkgK6K7u58qPVuc 6OIG1Nr2x/tfZMCDgG5Dc8PZCc58D2dnF4EFMMVPjXzVVe20AGnkRlb+b6CGnWkTux 4hpkr2JL3e64A== 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 4/6] mm/damon/sysfs-schemes: setup range_{min,max} for probe_hits_wsum filter Date: Sun, 6 Sep 2026 14:05:10 -0700 Message-ID: <20260906210513.106895-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260906210513.106895-1-sj@kernel.org> References: <20260906210513.106895-1-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 Extend DAMON sysfs interface to support probe_hits_wsum input. Also update sysfs input based scheme build logic to setup the min/max probe hits weighted sum range as user provided. Signed-off-by: SJ Park --- mm/damon/sysfs-schemes.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 4d9147d2a269e..e297a20c0af03 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -589,7 +589,10 @@ damos_sysfs_filter_type_names[] = { .type = DAMOS_FILTER_TYPE_TARGET, .name = "target", }, - + { + .type = DAMOS_FILTER_TYPE_PROBE_HITS_WSUM, + .name = "probe_hits_wsum", + }, }; static ssize_t type_show(struct kobject *kobj, @@ -2844,6 +2847,14 @@ static int damon_sysfs_add_scheme_filters(struct damos *scheme, } filter->sz_range.min = sysfs_filter->range_min; filter->sz_range.max = sysfs_filter->range_max; + } else if (filter->type == DAMOS_FILTER_TYPE_PROBE_HITS_WSUM) { + if (sysfs_filter->range_min > + sysfs_filter->range_max) { + damos_destroy_filter(filter); + return -EINVAL; + } + filter->sz_range.min = sysfs_filter->range_min; + filter->sz_range.max = sysfs_filter->range_max; } damos_add_filter(scheme, filter); -- 2.47.3