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 809D5489862; Fri, 11 Sep 2026 13:55:20 +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=1789134921; cv=none; b=gbIrhNhE0OhYm6yriOcJxDGfYGhLBXUp/ExGWnYgBZMN4/UeR8C0L4sS7+JQNiW3CqVeyDbF+5uOKYhJ97E5HVwI+HExAymssZjYhqEmoJO3I0o55+Ut6VG9kNBxo6vevR4vOEqrUZVIgMzac6tIyjodMZoh5SfZaqEwH5tmlRY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789134921; c=relaxed/simple; bh=TxCcrhH+EcWCqlcOItsNzCvegydeKP2OAcmuPJWEIBQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aJvlgjEI0IgVndpx8Jy3ZARembyK5GHaOPw94LssqVj94cwIjOGMnMZQZKg4X8Y5azE5OgmNONoVVGNBkq/ys3U+eJ+aw5q/KR1pYnFkiIPF5P4D/24Gv8yeGVLf5o0pG/drdqcZRrOYqwU3shxLhCbTXOypeOpV0wZKWwb2w/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=NU0P7Axr; 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="NU0P7Axr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 261761F0089B; Fri, 11 Sep 2026 13:55:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789134920; bh=6W4HqJKZTtS8lrUgM9flAHj2CUZu3m4em5eZnB2Nzv8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=NU0P7AxrYc+voy7CArjQOzT031tyquUxRxUaXq91eK1BFeMsptWJjuHqwA1J2bp+V SR1IP55BmRk4qQG/4RuFK6592fScGB2LpUDAF5IS+D1jbftjeI7cwvLDVJMCl/RgNi DEewYwtF57tb80a71l5MQH7WS9uQT1x0bLcOsQIUmC/MC2vIMcRK6xsZl5sTc416ic sgNrTe8w26wFHyjDa+g+nzPl+z2SjbncXkfk4cgVfxcPkRkKA8oSD051s00MePEXwL 5gsoD492CpL41HcDSBBexUCV7vjf4W+1UojqMH+ahI2ksmVF+YTYcA1zU/Z0i3pGDd ASeu+Pgx0PqIw== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v2 5/7] mm/damon/sysfs-schemes: support probe_hits_wsum damos core filter Date: Fri, 11 Sep 2026 06:55:07 -0700 Message-ID: <20260911135510.96914-6-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260911135510.96914-1-sj@kernel.org> References: <20260911135510.96914-1-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 | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 4d9147d2a269e..3de4d804e049f 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 +2847,13 @@ 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) { + filter->range_min = sysfs_filter->range_min; + filter->range_max = sysfs_filter->range_max; + if (filter->range_min > filter->range_max) { + damos_destroy_filter(filter); + return -EINVAL; + } } damos_add_filter(scheme, filter); -- 2.47.3