diff options
| author | SeongJae Park <sj@kernel.org> | 2026-05-18 16:41:02 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-05-28 21:31:13 -0700 |
| commit | 0487ebf74a5d8a3a724896b294697f4bafbf00cc (patch) | |
| tree | 629599db46320556c656676327af0abb6f0a5d72 /mm | |
| parent | 6745dcaf27be1badc349d60117e02c7c77d554ef (diff) | |
| download | linux-next-history-0487ebf74a5d8a3a724896b294697f4bafbf00cc.tar.gz | |
mm/damon/sysfs: setup probes on DAMON core API parameters
Add user-installed data probes to DAMON core API parameters, so that user
inputs for data probes are passed to DAMON core.
Link: https://lore.kernel.org/20260518234119.97569-15-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.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: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/damon/sysfs.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 51a4f05c9275c..eeb7fdd030cf0 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1855,6 +1855,40 @@ static int damon_sysfs_set_attrs(struct damon_ctx *ctx, return damon_set_attrs(ctx, &attrs); } +static int damon_sysfs_set_probes(struct damon_ctx *ctx, + struct damon_sysfs_probes *sys_probes) +{ + int i; + + for (i = 0; i < sys_probes->nr; i++) { + struct damon_sysfs_filters *sys_filters = + sys_probes->probes_arr[i]->filters; + struct damon_probe *c; + int j; + + if (!sys_filters) + continue; + c = damon_new_probe(); + if (!c) + return -ENOMEM; + damon_add_probe(ctx, c); + + for (j = 0; j < sys_filters->nr; j++) { + struct damon_sysfs_filter *sys_filter = + sys_filters->filters_arr[j]; + struct damon_filter *filter; + + filter = damon_new_filter(sys_filter->type, + sys_filter->matching, + sys_filter->allow); + if (!filter) + return -ENOMEM; + damon_add_filter(c, filter); + } + } + return 0; +} + static int damon_sysfs_set_regions(struct damon_target *t, struct damon_sysfs_regions *sysfs_regions, unsigned long min_region_sz) @@ -1969,6 +2003,9 @@ static int damon_sysfs_apply_inputs(struct damon_ctx *ctx, err = damon_sysfs_set_attrs(ctx, sys_ctx->attrs); if (err) return err; + err = damon_sysfs_set_probes(ctx, sys_ctx->attrs->probes); + if (err) + return err; err = damon_sysfs_add_targets(ctx, sys_ctx->targets); if (err) return err; |