4228 		t = rcu_dereference(memcg->thresholds.primary);  in __mem_cgroup_threshold()
4320 	struct mem_cgroup_thresholds *thresholds;  in __mem_cgroup_usage_register_event()  local
4333 		thresholds = &memcg->thresholds;  in __mem_cgroup_usage_register_event()
4336 		thresholds = &memcg->memsw_thresholds;  in __mem_cgroup_usage_register_event()
4342 	if (thresholds->primary)  in __mem_cgroup_usage_register_event()
4345 	size = thresholds->primary ? thresholds->primary->size + 1 : 1;  in __mem_cgroup_usage_register_event()
4356 	if (thresholds->primary)  in __mem_cgroup_usage_register_event()
4357 		memcpy(new->entries, thresholds->primary->entries,  in __mem_cgroup_usage_register_event()
4383 	kfree(thresholds->spare);  in __mem_cgroup_usage_register_event()
4384 	thresholds->spare = thresholds->primary;  in __mem_cgroup_usage_register_event()
4386 	rcu_assign_pointer(thresholds->primary, new);  in __mem_cgroup_usage_register_event()
4412 	struct mem_cgroup_thresholds *thresholds;  in __mem_cgroup_usage_unregister_event()  local
4420 		thresholds = &memcg->thresholds;  in __mem_cgroup_usage_unregister_event()
4423 		thresholds = &memcg->memsw_thresholds;  in __mem_cgroup_usage_unregister_event()
4428 	if (!thresholds->primary)  in __mem_cgroup_usage_unregister_event()
4436 	for (i = 0; i < thresholds->primary->size; i++) {  in __mem_cgroup_usage_unregister_event()
4437 		if (thresholds->primary->entries[i].eventfd != eventfd)  in __mem_cgroup_usage_unregister_event()
4443 	new = thresholds->spare;  in __mem_cgroup_usage_unregister_event()
4460 	for (i = 0, j = 0; i < thresholds->primary->size; i++) {  in __mem_cgroup_usage_unregister_event()
4461 		if (thresholds->primary->entries[i].eventfd == eventfd)  in __mem_cgroup_usage_unregister_event()
4464 		new->entries[j] = thresholds->primary->entries[i];  in __mem_cgroup_usage_unregister_event()
4478 	thresholds->spare = thresholds->primary;  in __mem_cgroup_usage_unregister_event()
4480 	rcu_assign_pointer(thresholds->primary, new);  in __mem_cgroup_usage_unregister_event()
4487 		kfree(thresholds->spare);  in __mem_cgroup_usage_unregister_event()
4488 		thresholds->spare = NULL;  in __mem_cgroup_usage_unregister_event()