52 	long new;  in page_counter_cancel()  local
54 	new = atomic_long_sub_return(nr_pages, &counter->usage);  in page_counter_cancel()
55 	propagate_protected_usage(counter, new);  in page_counter_cancel()
57 	WARN_ON_ONCE(new < 0);  in page_counter_cancel()
72 		long new;  in page_counter_charge()  local
74 		new = atomic_long_add_return(nr_pages, &c->usage);  in page_counter_charge()
75 		propagate_protected_usage(c, new);  in page_counter_charge()
80 		if (new > READ_ONCE(c->watermark))  in page_counter_charge()
81 			WRITE_ONCE(c->watermark, new);  in page_counter_charge()
101 		long new;  in page_counter_try_charge()  local
116 		new = atomic_long_add_return(nr_pages, &c->usage);  in page_counter_try_charge()
117 		if (new > c->max) {  in page_counter_try_charge()
119 			propagate_protected_usage(c, new);  in page_counter_try_charge()
129 		propagate_protected_usage(c, new);  in page_counter_try_charge()
134 		if (new > READ_ONCE(c->watermark))  in page_counter_try_charge()
135 			WRITE_ONCE(c->watermark, new);  in page_counter_try_charge()