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b=EE9Pf+qIDe7mc+OWRcmkX3VYHDk4wReFNR32iCeACl4XIoOTU6prtmMiVwstXcv75 XHOV5aRK8P+1Wq+SzQfsMiTpQKwaSNPiNeizvT0J84KpF7cLAyaOPOGhmxZqvMMpNw VQUhmHcKtt11GFH3eIUQM6O/Tukur1+s7dTftzt/Js31eM/MSkgZ1F9TLWozRhd4Fa i4luehO5dD1mbEEUG3E+EH4puQuf5GKmBlwwGax29P/P8J1BSVtgTiFaXzBSXwsLHd 5Yc7a0oxZgZ4p14WnzERAF+OVFrgguuDNBAzkVFHsTFU+21JF9oc2MdhsfqLCe7T73 bR7Ur1atFl56g== 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 v2.1 5/7] mm/damon/sysfs-schemes: support probe_hits_wsum damos core filter Date: Wed, 9 Sep 2026 21:03:16 -0700 Message-ID: <20260910040319.147037-6-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260910040319.147037-1-sj@kernel.org> References: <20260910040319.147037-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: D6881C0007 X-Stat-Signature: ebq9n65fafcu3359hdr78qescauwo4uh X-Rspam-User: X-HE-Tag: 1789013009-596725 X-HE-Meta: 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 AxeMw5sQ PIOZ1K/MhtpuBdzgE9pL4Y8HS9hXr0tMovsp3UKb+i19dEf2enIMDM6CYjEdpZ1yCZtDOi6M/KhH7G9VRnuB47e9gsdatz7XKpRQwQ5QxTq+Z1/IF0Mat9Pfv3hFCsZGeuMpnQ5gxoNhRly7LVEQMmOfeNCRmxsoie35bYrPj3JhiY5e25T07OqF9JIdFfc8yak8Nmr2/oKVUpqH9Bp9ncSY/hi25u44syD8r7SDwoDhqIlWwDCt/+W6lS/f0J0x679QlCdNvnupUYLy6B0x10gVk0g== 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 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