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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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 1C93E140008 X-Stat-Signature: 9o6t8ehkxjohpxmc8eyycc9cxggpxki4 X-HE-Tag: 1789089220-749988 X-HE-Meta: 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 Vh7Vjjfy kwOOay7h3fLNfkfmtXmXx8k5FHoLx3ratw5XInxQv5OZYMzXNXSRrfdUW6nig9nI2wrvVC+4Go17mQpxgpkHIxmY89Bpsw7Mtj2FqJaHcyAuttSZ2Hzt8IWz8phOirkxSjUeuVZfuDdaJwJDgGrHW1lhezxUAR1LfxTAmZm7Hw4ZL4BZA9TKhtVI+//zUy6Purbg3PlRSGX4PI6nZS0b/si7m7XBCJ6biD5I0Kl/hyAEEIwKZCExG7H7tw/DtgyuIefkIWYvneg9FtE5RZmVYBf005g== 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