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b=azX6Hu6+AM7WikMiNEgis2NfbDfVi+nNwMk8uq1WQ5j59Gx41P6zAzVDFJmKB2R9b VITdlxluRE7NjpziLnevoqTrfM9aglvtrXBemBnJoRsAh6zTDoANecthhYuhoHx07t TJDMYtAU/02VVKhbbAQrd0kv2q1Y7rT32uUVKIhFBKJQbKF3y7vSB9W71ppE3osmCQ ZyWuQq+EzTBOtwlc/9Vt0w+vKarkgxwDGHo/tSV1OnOGpm9tGDXZkgK6K7u58qPVuc 6OIG1Nr2x/tfZMCDgG5Dc8PZCc58D2dnF4EFMMVPjXzVVe20AGnkRlb+b6CGnWkTux 4hpkr2JL3e64A== 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 4/6] mm/damon/sysfs-schemes: setup range_{min,max} for probe_hits_wsum filter Date: Sun, 6 Sep 2026 14:05:10 -0700 Message-ID: <20260906210513.106895-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260906210513.106895-1-sj@kernel.org> References: <20260906210513.106895-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: tseanaabocjstgwfzi3ps7c1zxpo8i4g X-Rspamd-Queue-Id: DDC3F80005 X-HE-Tag: 1788728723-326892 X-HE-Meta: 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 mLJOtfE+ hZ7VluEdi2LRwaWtts5sVSJGwRNZuVRNKFXz7SyDGtagfM3HHn1g5TkgMJU86GFHn2blfm5Gsk6eCuRNb47u1Qfq3ZwxmUf1Lm3X9chfd2L6ppkptKd3ucf32Qr0rJ+ZATNyZ+KRV0ADZ8v9PJK8U6SW4SC4czSZRpbSBfLCihLA+aMPFFZ/1IgXduaC6DbQHZF9a0aGYfx5wd3qsJ9y2Md5/shwyBuOEmKNvNIZA0sEwTBG3cv2UApPSdwBu8piR/vkmfdL6sjDwVyYP8+0PbdOwhw== 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..e297a20c0af03 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->sz_range.min = sysfs_filter->range_min; + filter->sz_range.max = sysfs_filter->range_max; } damos_add_filter(scheme, filter); -- 2.47.3