55 void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages)  in page_counter_cancel()  argument
59 	new = atomic_long_sub_return(nr_pages, &counter->usage);  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()
100 			     unsigned long nr_pages,  in page_counter_try_charge()  argument
121 		new = atomic_long_add_return(nr_pages, &c->usage);  in page_counter_try_charge()
123 			atomic_long_sub(nr_pages, &c->usage);  in page_counter_try_charge()
145 		page_counter_cancel(c, nr_pages);  in page_counter_try_charge()
155 void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_uncharge()  argument
160 		page_counter_cancel(c, nr_pages);  in page_counter_uncharge()
173 int page_counter_set_max(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_max()  argument
192 		if (usage > nr_pages)  in page_counter_set_max()
195 		old = xchg(&counter->max, nr_pages);  in page_counter_set_max()
212 void page_counter_set_min(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_min()  argument
216 	counter->min = nr_pages;  in page_counter_set_min()
229 void page_counter_set_low(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_low()  argument
233 	counter->low = nr_pages;  in page_counter_set_low()
249 			  unsigned long *nr_pages)  in page_counter_memparse()  argument
255 		*nr_pages = PAGE_COUNTER_MAX;  in page_counter_memparse()
263 	*nr_pages = min(bytes / PAGE_SIZE, (u64)PAGE_COUNTER_MAX);  in page_counter_memparse()