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()
67 void page_counter_charge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_charge()  argument
74 		new = atomic_long_add_return(nr_pages, &c->usage);  in page_counter_charge()
95 			     unsigned long nr_pages,  in page_counter_try_charge()  argument
116 		new = atomic_long_add_return(nr_pages, &c->usage);  in page_counter_try_charge()
118 			atomic_long_sub(nr_pages, &c->usage);  in page_counter_try_charge()
141 		page_counter_cancel(c, nr_pages);  in page_counter_try_charge()
151 void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages)  in page_counter_uncharge()  argument
156 		page_counter_cancel(c, nr_pages);  in page_counter_uncharge()
169 int page_counter_set_max(struct page_counter *counter, unsigned long nr_pages)  in page_counter_set_max()  argument
188 		if (usage > nr_pages)  in page_counter_set_max()
191 		old = xchg(&counter->max, nr_pages);  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()
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()
245 			  unsigned long *nr_pages)  in page_counter_memparse()  argument
251 		*nr_pages = PAGE_COUNTER_MAX;  in page_counter_memparse()
259 	*nr_pages = min(bytes / PAGE_SIZE, (u64)PAGE_COUNTER_MAX);  in page_counter_memparse()