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| author | SJ Park <sj@kernel.org> | 2026-09-15 07:33:54 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-09-29 23:13:29 -0700 |
| commit | 707ae91fb36d33dfd6d87dc7884aedb6df3a0ac2 (patch) | |
| tree | 0ccbf1e6a45bfc3e18b619eaf7997ec2a1874959 | |
| parent | eef5349965a17f94ef39ac6366ee3e71c9d14b15 (diff) | |
| download | linux-next-707ae91fb36d33dfd6d87dc7884aedb6df3a0ac2.tar.gz linux-next-707ae91fb36d33dfd6d87dc7884aedb6df3a0ac2.zip | |
mm/damon/sysfs: support hugepage_size probe filter
Extend DAMON sysfs interface to support hugepage_size probe filter.
Allows hugepage_size user string input to the filter type file. Pass the
size range argument that users set via min/max files under the probe
filter directory to the DAMON core.
Link: https://lore.kernel.org/20260915143359.91472-6-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: 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: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
| -rw-r--r-- | mm/damon/sysfs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 8e8d89b8ed98..43519afb9eb7 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1007,6 +1007,10 @@ damon_sysfs_filter_type_names[] = { .type = DAMON_FILTER_TYPE_PGIDLE_SET, .name = "pgidle_set", }, + { + .type = DAMON_FILTER_TYPE_HUGEPAGE_SIZE, + .name = "hugepage_size", + }, }; static ssize_t type_show(struct kobject *kobj, @@ -2273,6 +2277,9 @@ static int damon_sysfs_set_filters(struct damon_probe *probe, damon_destroy_filter(filter); return err; } + } else if (filter->type == DAMON_FILTER_TYPE_HUGEPAGE_SIZE) { + filter->range_min = sys_filter->range_min; + filter->range_max = sys_filter->range_max; } damon_add_filter(probe, filter); } |