20 void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages)  in page_counter_cancel()  argument
24 	new = atomic_long_sub_return(nr_pages, &counter->count);  in page_counter_cancel()
36 void page_counter_charge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_charge()  argument
40 	for (c = counter; c; c = c->parent) {  in page_counter_charge()
62 int page_counter_try_charge(struct page_counter *counter,  in page_counter_try_charge()  argument
68 	for (c = counter; c; c = c->parent) {  in page_counter_try_charge()
105 	for (c = counter; c != *fail; c = c->parent)  in page_counter_try_charge()
116 void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_uncharge()  argument
120 	for (c = counter; c; c = c->parent)  in page_counter_uncharge()
134 int page_counter_limit(struct page_counter *counter, unsigned long limit)  in page_counter_limit()  argument
151 		count = atomic_long_read(&counter->count);  in page_counter_limit()
156 		old = xchg(&counter->limit, limit);  in page_counter_limit()
158 		if (atomic_long_read(&counter->count) <= count)  in page_counter_limit()
161 		counter->limit = old;  in page_counter_limit()