51 void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages)  in page_counter_cancel()  argument
55 	new = atomic_long_sub_return(nr_pages, &counter->usage);  in page_counter_cancel()
58 		      new, nr_pages)) {  in page_counter_cancel()
72 void page_counter_charge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_charge()  argument
79 		new = atomic_long_add_return(nr_pages, &c->usage);  in page_counter_charge()
101 			     unsigned long nr_pages,  in page_counter_try_charge()  argument
122 		new = atomic_long_add_return(nr_pages, &c->usage);  in page_counter_try_charge()
124 			atomic_long_sub(nr_pages, &c->usage);  in page_counter_try_charge()
148 		page_counter_cancel(c, nr_pages);  in page_counter_try_charge()
158 void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_uncharge()  argument
163 		page_counter_cancel(c, nr_pages);  in page_counter_uncharge()
176 int page_counter_set_max(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_max()  argument
195 		if (usage > nr_pages)  in page_counter_set_max()
198 		old = xchg(&counter->max, nr_pages);  in page_counter_set_max()
215 void page_counter_set_min(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_min()  argument
219 	WRITE_ONCE(counter->min, nr_pages);  in page_counter_set_min()
232 void page_counter_set_low(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_low()  argument
236 	WRITE_ONCE(counter->low, nr_pages);  in page_counter_set_low()
252 			  unsigned long *nr_pages)  in page_counter_memparse()  argument
258 		*nr_pages = PAGE_COUNTER_MAX;  in page_counter_memparse()
266 	*nr_pages = min(bytes / PAGE_SIZE, (u64)PAGE_COUNTER_MAX);  in page_counter_memparse()