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 2D84132779D; Fri, 11 Sep 2026 01:13:47 +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=1789089232; cv=none; b=T2iGCJw3xtXC4ZEAxhU4pTqBNOVMPWPMgv7Krt02kAT1TakXBtOL/qVN1XmZ2I83yvK1Bz/0/dx2eV1GcsbPNNwvgUDNAsugwBN1/zVCr0ussJq2WRbiccbssAG1OLbaIlwQhHTzQmWwA6ResnGAwQ7hW7bzDrPql/y3BVbktX8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789089232; c=relaxed/simple; bh=TxCcrhH+EcWCqlcOItsNzCvegydeKP2OAcmuPJWEIBQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mumc4KC5wiS/2fDFh65qpSNfmQVKK25H9bVCTR2xOrkxvIfIFHZwhBNzj2lbsbSNcRQ0xGRr8G/WH6yI4TmjUXij6cQMzPA9XCEQMWhpKwgYPoJZRBRyRGV4m7sEzIGb2USiX0aLsdGmiEgCXQh/1+hAJF/QKtOqPm60wcuCmo4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=By+QnNE9; 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="By+QnNE9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A79BD1F0089C; Fri, 11 Sep 2026 01:13:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789089219; bh=6W4HqJKZTtS8lrUgM9flAHj2CUZu3m4em5eZnB2Nzv8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=By+QnNE9go4mKfn7GmKuFDIM9o92tXdwMct7p5PUR31gHqyTNHzSgJ6XCR4PJ5W8p SlRsQXFWMBLcEFckzTmevCUw9InR7EbgC0zUq7P0YGC/UWswIc0K7peOKwYUkrriHW Rw06moqhyRMDxAOJH8V7p5XY8WEwPCEjUfzgTW99X3bEJL6fiK9+cD2FbG28RPUdrx K3n4fVxOFvx6q1cLrSoyv+rWVx6bjTSviV7nLAnc0lhT+Ruwl5CxuZIMVEHjChzmS6 6c3US9IKBa9pWquwSHj/mK6C4HLxQhQjBnNK8vID6mJx8LFtofnPbnakx8HqkVaLf+ 6AxsIp2pA6P0g== 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 v2.2 5/7] mm/damon/sysfs-schemes: support probe_hits_wsum damos core filter Date: Thu, 10 Sep 2026 18:13:26 -0700 Message-ID: <20260911011330.93678-6-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260911011330.93678-1-sj@kernel.org> References: <20260911011330.93678-1-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