Lines Matching refs:counter
53 static inline void page_counter_init(struct page_counter *counter, in page_counter_init() argument
57 counter->usage = (atomic_long_t)ATOMIC_LONG_INIT(0); in page_counter_init()
58 counter->max = PAGE_COUNTER_MAX; in page_counter_init()
59 counter->parent = parent; in page_counter_init()
60 counter->protection_support = protection_support; in page_counter_init()
63 static inline unsigned long page_counter_read(struct page_counter *counter) in page_counter_read() argument
65 return atomic_long_read(&counter->usage); in page_counter_read()
68 void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages);
69 void page_counter_charge(struct page_counter *counter, unsigned long nr_pages);
70 bool page_counter_try_charge(struct page_counter *counter,
73 void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages);
74 void page_counter_set_min(struct page_counter *counter, unsigned long nr_pages);
75 void page_counter_set_low(struct page_counter *counter, unsigned long nr_pages);
77 static inline void page_counter_set_high(struct page_counter *counter, in page_counter_set_high() argument
80 WRITE_ONCE(counter->high, nr_pages); in page_counter_set_high()
83 int page_counter_set_max(struct page_counter *counter, unsigned long nr_pages);
87 static inline void page_counter_reset_watermark(struct page_counter *counter) in page_counter_reset_watermark() argument
89 unsigned long usage = page_counter_read(counter); in page_counter_reset_watermark()
95 counter->local_watermark = usage; in page_counter_reset_watermark()
96 counter->watermark = usage; in page_counter_reset_watermark()
101 struct page_counter *counter,
105 struct page_counter *counter, in page_counter_calculate_protection() argument