104 static void misc_cg_cancel_charge(enum misc_res_type type, struct misc_cg *cg,  in misc_cg_cancel_charge()  argument
107 	WARN_ONCE(atomic64_add_negative(-amount, &cg->res[type].usage),  in misc_cg_cancel_charge()
125 static void misc_cg_event(enum misc_res_type type, struct misc_cg *cg)  in misc_cg_event()  argument
127 	atomic64_inc(&cg->res[type].events_local);  in misc_cg_event()
128 	cgroup_file_notify(&cg->events_local_file);  in misc_cg_event()
130 	for (; parent_misc(cg); cg = parent_misc(cg)) {  in misc_cg_event()
131 		atomic64_inc(&cg->res[type].events);  in misc_cg_event()
132 		cgroup_file_notify(&cg->events_file);  in misc_cg_event()
152 int misc_cg_try_charge(enum misc_res_type type, struct misc_cg *cg, u64 amount)  in misc_cg_try_charge()  argument
159 	if (!(valid_type(type) && cg && READ_ONCE(misc_res_capacity[type])))  in misc_cg_try_charge()
165 	for (i = cg; i; i = parent_misc(i)) {  in misc_cg_try_charge()
181 	for (j = cg; j != i; j = parent_misc(j))  in misc_cg_try_charge()
196 void misc_cg_uncharge(enum misc_res_type type, struct misc_cg *cg, u64 amount)  in misc_cg_uncharge()  argument
200 	if (!(amount && valid_type(type) && cg))  in misc_cg_uncharge()
203 	for (i = cg; i; i = parent_misc(i))  in misc_cg_uncharge()
219 	struct misc_cg *cg = css_misc(seq_css(sf));  in misc_cg_max_show()  local
224 			max = READ_ONCE(cg->res[i].max);  in misc_cg_max_show()
257 	struct misc_cg *cg;  in misc_cg_max_write()  local
287 	cg = css_misc(of_css(of));  in misc_cg_max_write()
290 		WRITE_ONCE(cg->res[type].max, max);  in misc_cg_max_write()
309 	struct misc_cg *cg = css_misc(seq_css(sf));  in misc_cg_current_show()  local
312 		usage = atomic64_read(&cg->res[i].usage);  in misc_cg_current_show()
332 	struct misc_cg *cg = css_misc(seq_css(sf));  in misc_cg_peak_show()  local
335 		watermark = atomic64_read(&cg->res[i].watermark);  in misc_cg_peak_show()
369 	struct misc_cg *cg = css_misc(seq_css(sf));  in __misc_events_show()  local
375 			events = atomic64_read(&cg->res[i].events_local);  in __misc_events_show()
377 			events = atomic64_read(&cg->res[i].events);  in __misc_events_show()
443 	struct misc_cg *cg;  in misc_cg_alloc()  local
446 		cg = &root_cg;  in misc_cg_alloc()
448 		cg = kzalloc(sizeof(*cg), GFP_KERNEL);  in misc_cg_alloc()
449 		if (!cg)  in misc_cg_alloc()
454 		WRITE_ONCE(cg->res[i].max, MAX_NUM);  in misc_cg_alloc()
455 		atomic64_set(&cg->res[i].usage, 0);  in misc_cg_alloc()
458 	return &cg->css;  in misc_cg_alloc()