383 	struct damos *scheme;  in damon_new_scheme()  local
385 	scheme = kmalloc(sizeof(*scheme), GFP_KERNEL);  in damon_new_scheme()
386 	if (!scheme)  in damon_new_scheme()
388 	scheme->pattern = *pattern;  in damon_new_scheme()
389 	scheme->action = action;  in damon_new_scheme()
390 	scheme->apply_interval_us = apply_interval_us;  in damon_new_scheme()
396 	scheme->next_apply_sis = 0;  in damon_new_scheme()
397 	scheme->walk_completed = false;  in damon_new_scheme()
398 	INIT_LIST_HEAD(&scheme->filters);  in damon_new_scheme()
399 	INIT_LIST_HEAD(&scheme->ops_filters);  in damon_new_scheme()
400 	scheme->stat = (struct damos_stat){};  in damon_new_scheme()
401 	INIT_LIST_HEAD(&scheme->list);  in damon_new_scheme()
403 	scheme->quota = *(damos_quota_init(quota));  in damon_new_scheme()
405 	INIT_LIST_HEAD(&scheme->quota.goals);  in damon_new_scheme()
407 	scheme->wmarks = *wmarks;  in damon_new_scheme()
408 	scheme->wmarks.activated = true;  in damon_new_scheme()
410 	scheme->target_nid = target_nid;  in damon_new_scheme()
412 	return scheme;  in damon_new_scheme()
1366  * invocation, for each scheme.  The given callback function can hence safely
1368  * each of the scheme will apply the action for next interval, without
1369  * additional synchronizations against the kdamond.  If every scheme of @ctx
1506  * @s:	The scheme to be applied.
1508  * If a quota of a scheme has exceeded in a quota charge window, the scheme's
1510  * regions.  To avoid applying the scheme action to only already applied
1511  * regions, DAMON skips applying the scheme action to the regions that charged
1643  * @s:		The scheme of @ctx that will be applied to @r.
1646  * apply a DAMOS scheme action to a region.  If a DAMOS walk request is
1668  * @s:		A scheme of @ctx that all walks are now done.
1671  * scheme to all regions that eligible for the given &damos->apply_interval_us.
1672  * If every scheme of @ctx including @s now finished walking for at least one
1703  * walk is requested but there is no DAMOS scheme to walk for, or the kdamond
2263  * Returns zero if the scheme is active.  Else, returns time to wait for next
2266 static unsigned long damos_wmark_wait_us(struct damos *scheme)  in damos_wmark_wait_us()  argument
2270 	if (damos_get_wmark_metric_value(scheme->wmarks.metric, &metric))  in damos_wmark_wait_us()
2274 	if (metric > scheme->wmarks.high || scheme->wmarks.low > metric) {  in damos_wmark_wait_us()
2275 		if (scheme->wmarks.activated)  in damos_wmark_wait_us()
2276 			pr_debug("deactivate a scheme (%d) for %s wmark\n",  in damos_wmark_wait_us()
2277 				 scheme->action,  in damos_wmark_wait_us()
2278 				 str_high_low(metric > scheme->wmarks.high));  in damos_wmark_wait_us()
2279 		scheme->wmarks.activated = false;  in damos_wmark_wait_us()
2280 		return scheme->wmarks.interval;  in damos_wmark_wait_us()
2284 	if ((scheme->wmarks.high >= metric && metric >= scheme->wmarks.mid) &&  in damos_wmark_wait_us()
2285 			!scheme->wmarks.activated)  in damos_wmark_wait_us()
2286 		return scheme->wmarks.interval;  in damos_wmark_wait_us()
2288 	if (!scheme->wmarks.activated)  in damos_wmark_wait_us()
2289 		pr_debug("activate a scheme (%d)\n", scheme->action);  in damos_wmark_wait_us()
2290 	scheme->wmarks.activated = true;  in damos_wmark_wait_us()
2370 	struct damos *scheme;  in kdamond_init_ctx()  local
2379 	damon_for_each_scheme(scheme, ctx) {  in kdamond_init_ctx()
2380 		apply_interval = scheme->apply_interval_us ?  in kdamond_init_ctx()
2381 			scheme->apply_interval_us : ctx->attrs.aggr_interval;  in kdamond_init_ctx()
2382 		scheme->next_apply_sis = apply_interval / sample_interval;  in kdamond_init_ctx()
2383 		damos_set_filters_default_reject(scheme);  in kdamond_init_ctx()