diff options
| author | SJ Park <sj@kernel.org> | 2026-09-11 06:55:07 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-09-13 21:32:48 -0700 |
| commit | 4e840f3a63b938d353a28ab8cdf0af0878ef18f8 (patch) | |
| tree | 066c04cc636fcfc5619e15a5d49a18db2187ce21 /mm | |
| parent | 93172e634a8517debaa630eda235f493a6413190 (diff) | |
| download | linux-next-4e840f3a63b938d353a28ab8cdf0af0878ef18f8.tar.gz linux-next-4e840f3a63b938d353a28ab8cdf0af0878ef18f8.zip | |
mm/damon/sysfs-schemes: support probe_hits_wsum damos core filter
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.
Link: https://lore.kernel.org/20260911135510.96914-6-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/damon/sysfs-schemes.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 4d9147d2a269..3de4d804e049 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); |