35 static bool __damon_is_registered_ops(enum damon_ops_id id)  in __damon_is_registered_ops()  argument
39 	if (!memcmp(&empty_ops, &damon_registered_ops[id], sizeof(empty_ops)))  in __damon_is_registered_ops()
50 bool damon_is_registered_ops(enum damon_ops_id id)  in damon_is_registered_ops()  argument
54 	if (id >= NR_DAMON_OPS)  in damon_is_registered_ops()
57 	registered = __damon_is_registered_ops(id);  in damon_is_registered_ops()
75 	if (ops->id >= NR_DAMON_OPS)  in damon_register_ops()
79 	if (__damon_is_registered_ops(ops->id)) {  in damon_register_ops()
83 	damon_registered_ops[ops->id] = *ops;  in damon_register_ops()
99 int damon_select_ops(struct damon_ctx *ctx, enum damon_ops_id id)  in damon_select_ops()  argument
103 	if (id >= NR_DAMON_OPS)  in damon_select_ops()
107 	if (!__damon_is_registered_ops(id))  in damon_select_ops()
110 		ctx->ops = damon_registered_ops[id];  in damon_select_ops()
122 	struct damon_region *region;  in damon_new_region()  local
124 	region = kmem_cache_alloc(damon_region_cache, GFP_KERNEL);  in damon_new_region()
125 	if (!region)  in damon_new_region()
128 	region->ar.start = start;  in damon_new_region()
129 	region->ar.end = end;  in damon_new_region()
130 	region->nr_accesses = 0;  in damon_new_region()
131 	INIT_LIST_HEAD(&region->list);  in damon_new_region()
133 	region->age = 0;  in damon_new_region()
134 	region->last_nr_accesses = 0;  in damon_new_region()
136 	return region;  in damon_new_region()
426 	ctx->attrs.sample_interval = 5 * 1000;  in damon_new_ctx()
427 	ctx->attrs.aggr_interval = 100 * 1000;  in damon_new_ctx()
428 	ctx->attrs.ops_update_interval = 60 * 1000 * 1000;  in damon_new_ctx()
435 	ctx->attrs.min_nr_regions = 10;  in damon_new_ctx()
436 	ctx->attrs.max_nr_regions = 1000;  in damon_new_ctx()
477 		unsigned int accesses_bp, struct damon_attrs *attrs)  in damon_accesses_bp_to_nr_accesses()  argument
480 		attrs->aggr_interval / attrs->sample_interval;  in damon_accesses_bp_to_nr_accesses()
487 		unsigned int nr_accesses, struct damon_attrs *attrs)  in damon_nr_accesses_to_accesses_bp()  argument
490 		attrs->aggr_interval / attrs->sample_interval;  in damon_nr_accesses_to_accesses_bp()
523 	struct damon_attrs *old_attrs = &ctx->attrs;  in damon_update_monitoring_results()
549 int damon_set_attrs(struct damon_ctx *ctx, struct damon_attrs *attrs)  in damon_set_attrs()  argument
551 	if (attrs->min_nr_regions < 3)  in damon_set_attrs()
553 	if (attrs->min_nr_regions > attrs->max_nr_regions)  in damon_set_attrs()
555 	if (attrs->sample_interval > attrs->aggr_interval)  in damon_set_attrs()
558 	damon_update_monitoring_results(ctx, attrs);  in damon_set_attrs()
559 	ctx->attrs = *attrs;  in damon_set_attrs()
610 	if (ctx->attrs.min_nr_regions)  in damon_region_sz_limit()
611 		sz /= ctx->attrs.min_nr_regions;  in damon_region_sz_limit()
760 			ctx->attrs.aggr_interval);  in kdamond_aggregate_interval_passed()
1229 	if (nr_regions > ctx->attrs.max_nr_regions / 2)  in kdamond_split_regions()
1234 			nr_regions < ctx->attrs.max_nr_regions / 3)  in kdamond_split_regions()
1252 			ctx->attrs.ops_update_interval);  in kdamond_need_update_operations()
1396 		kdamond_usleep(ctx->attrs.sample_interval);  in kdamond_fn()