50 void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages)  in page_counter_cancel()  argument
54 	new = atomic_long_sub_return(nr_pages, &counter->usage);  in page_counter_cancel()
55 	propagate_protected_usage(counter, new);  in page_counter_cancel()
67 void page_counter_charge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_charge()  argument
71 	for (c = counter; c; c = c->parent) {  in page_counter_charge()
94 bool page_counter_try_charge(struct page_counter *counter,  in page_counter_try_charge()  argument
100 	for (c = counter; c; c = c->parent) {  in page_counter_try_charge()
140 	for (c = counter; c != *fail; c = c->parent)  in page_counter_try_charge()
151 void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_uncharge()  argument
155 	for (c = counter; c; c = c->parent)  in page_counter_uncharge()
169 int page_counter_set_max(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_max()  argument
186 		usage = atomic_long_read(&counter->usage);  in page_counter_set_max()
191 		old = xchg(&counter->max, nr_pages);  in page_counter_set_max()
193 		if (atomic_long_read(&counter->usage) <= usage)  in page_counter_set_max()
196 		counter->max = old;  in page_counter_set_max()
208 void page_counter_set_min(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_min()  argument
212 	WRITE_ONCE(counter->min, nr_pages);  in page_counter_set_min()
214 	for (c = counter; c; c = c->parent)  in page_counter_set_min()
225 void page_counter_set_low(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_low()  argument
229 	WRITE_ONCE(counter->low, nr_pages);  in page_counter_set_low()
231 	for (c = counter; c; c = c->parent)  in page_counter_set_low()