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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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 0890F80006 X-Stat-Signature: 13n397txxqkbaubwocy3p4fmkgsn6my9 X-Rspam-User: X-HE-Tag: 1789134920-542707 X-HE-Meta: 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 dCWgwEje uJ9sgR3rBdmFDj4C0AUY4drxZIR6oNcAY1kvcGGWJRsT1xpL29RWUp/FklhHsXt0zwVy+atEyLo8GLyMZg8AodQhFa98XGcduOdP6XiJxjjOwQBn/UShhGX5ZEjut/C9SJa8E4qdaRWBiAF7QNmMlrxs0lvEUS/eZ/4gQtQ+4wMHMgrBjz38s1FBV5ipBpm53y0XOMWNzZFcrmPlAjdA1J8MRTJpATc3VUIzXJU4AnMc5Y9vwTO8WnkbbmYh4FoDgOkCtNioCiJEBbI6gj1clvxhiIw== 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 | 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