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 E9FDB51E44B; Mon, 7 Sep 2026 17:12:27 +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=1788801149; cv=none; b=JCCbQiz/oIIrHQKqrP9B2tAmASvUmq/GctLa875sIVFUGGED4wgJfNrtEwMnB9hdFxtsNlaJ9yPaLS+3MkxIJrcZ62cKUhAfFm/wyg1cbUCPJ8qI99FXnL3A9gHeN10tpgTIY4umeiZil/e6Dzm6g2XCCOC16fLmv61VGGm+mPs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788801149; c=relaxed/simple; bh=NxJNNkLIMwN7Y3HTJHZKVUGVJLfNN3bM8VvJRz993Jc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=o4TmDaEuAyj3mKik7ex6D5jKnhN3t6gC5InO0j5DwyG9vdzUBU+Dr/oIEZD45WZT6HMLPOmRONTH+YqkxJPz9+tV8PU7FeMNPCRrsPPVkmnvnT3d1WeOE3MZz/eVWtK45a+vw30gAiTCZqmGSaTBCQcekI7wmAKlurr14C2iwnE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CA9dADgt; 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="CA9dADgt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 063A91F00ACA; Mon, 7 Sep 2026 17:12:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788801147; bh=0LMfK+vJvFqvjmpgUK8C/JqVd+cTrrKRqz+a3Phr1zw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=CA9dADgtK6IS30SWaNAkNxa55qZYJ4+mHnCLcym4xvMm/SrQ0hSfu5yvB0XQPcayH yqMERbE98Vd5iJ0RRCudq+w2WC0al1HUlFrZ26A4YZHPFqN3A8qFRYyIeE3Die/SFV K1RMICJPB+GHJKu22h8NhLdABZRVuaOwOuHEoYTe6w6Rsha/rFxXj/7P9uhyKhHaCS fuGb/jxvgE+A1vO8R0jJ2VEUppklpJ01IgrrBjfkSw79R+FyKU/1WBItixY9EYH4ML 9VCtfgudJWNc2tydeFhQFjSyLC1mfFr+F8dzBa+/A665w1x19eUOJwMTAAsnsWTnVa sxI89uKyqAVEw== 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 5/7] mm/damon/sysfs-schemes: support probe_hits_wsum damos core filter Date: Mon, 7 Sep 2026 10:12:14 -0700 Message-ID: <20260907171218.101430-6-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260907171218.101430-1-sj@kernel.org> References: <20260907171218.101430-1-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..d9dd4ee0442c7 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->range_min = sysfs_filter->range_min; + filter->range_max = sysfs_filter->range_max; } damos_add_filter(scheme, filter); -- 2.47.3