24 static inline void page_counter_init(struct page_counter *counter,  in page_counter_init()  argument
27 	atomic_long_set(&counter->count, 0);  in page_counter_init()
28 	counter->limit = PAGE_COUNTER_MAX;  in page_counter_init()
29 	counter->parent = parent;  in page_counter_init()
32 static inline unsigned long page_counter_read(struct page_counter *counter)  in page_counter_read()  argument
34 	return atomic_long_read(&counter->count);  in page_counter_read()
37 void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages);
38 void page_counter_charge(struct page_counter *counter, unsigned long nr_pages);
39 int page_counter_try_charge(struct page_counter *counter,
42 void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages);
43 int page_counter_limit(struct page_counter *counter, unsigned long limit);
47 static inline void page_counter_reset_watermark(struct page_counter *counter)  in page_counter_reset_watermark()  argument
49 	counter->watermark = page_counter_read(counter);  in page_counter_reset_watermark()