-extern void get_page_state(struct page_state *ret);
-extern void get_page_state_node(struct page_state *ret, int node);
-extern void get_full_page_state(struct page_state *ret);
-extern unsigned long read_page_state_offset(unsigned long offset);
-extern void mod_page_state_offset(unsigned long offset, unsigned long delta);
-extern void __mod_page_state_offset(unsigned long offset, unsigned long delta);
-
-#define read_page_state(member) \
- read_page_state_offset(offsetof(struct page_state, member))
-
-#define mod_page_state(member, delta) \
- mod_page_state_offset(offsetof(struct page_state, member), (delta))
-
-#define __mod_page_state(member, delta) \
- __mod_page_state_offset(offsetof(struct page_state, member), (delta))
-
-#define inc_page_state(member) mod_page_state(member, 1UL)
-#define dec_page_state(member) mod_page_state(member, 0UL - 1)
-#define add_page_state(member,delta) mod_page_state(member, (delta))
-#define sub_page_state(member,delta) mod_page_state(member, 0UL - (delta))
-
-#define __inc_page_state(member) __mod_page_state(member, 1UL)
-#define __dec_page_state(member) __mod_page_state(member, 0UL - 1)
-#define __add_page_state(member,delta) __mod_page_state(member, (delta))
-#define __sub_page_state(member,delta) __mod_page_state(member, 0UL - (delta))
-
-#define page_state(member) (*__page_state(offsetof(struct page_state, member)))
-
-#define state_zone_offset(zone, member) \
-({ \
- unsigned offset; \
- if (is_highmem(zone)) \
- offset = offsetof(struct page_state, member##_high); \
- else if (is_normal(zone)) \
- offset = offsetof(struct page_state, member##_normal); \
- else if (is_dma32(zone)) \
- offset = offsetof(struct page_state, member##_dma32); \
- else \
- offset = offsetof(struct page_state, member##_dma); \
- offset; \
-})
-
-#define __mod_page_state_zone(zone, member, delta) \
- do { \
- __mod_page_state_offset(state_zone_offset(zone, member), (delta)); \
- } while (0)
-
-#define mod_page_state_zone(zone, member, delta) \
- do { \
- mod_page_state_offset(state_zone_offset(zone, member), (delta)); \
- } while (0)
-
-DECLARE_PER_CPU(struct page_state, page_states);
+DECLARE_PER_CPU(struct vm_event_state, vm_event_states);
+
+static inline void __count_vm_event(enum vm_event_item item)
+{
+ __this_cpu_inc(vm_event_states.event[item]);
+}
+
+static inline void count_vm_event(enum vm_event_item item)
+{
+ this_cpu_inc(vm_event_states.event[item]);
+}
+
+static inline void __count_vm_events(enum vm_event_item item, long delta)
+{
+ __this_cpu_add(vm_event_states.event[item], delta);
+}
+
+static inline void count_vm_events(enum vm_event_item item, long delta)
+{
+ this_cpu_add(vm_event_states.event[item], delta);
+}
+
+extern void all_vm_events(unsigned long *);
+#ifdef CONFIG_HOTPLUG
+extern void vm_events_fold_cpu(int cpu);
+#else
+static inline void vm_events_fold_cpu(int cpu)
+{
+}
+#endif
+
+#else
+
+/* Disable counters */
+static inline void count_vm_event(enum vm_event_item item)
+{
+}
+static inline void count_vm_events(enum vm_event_item item, long delta)
+{
+}
+static inline void __count_vm_event(enum vm_event_item item)
+{
+}
+static inline void __count_vm_events(enum vm_event_item item, long delta)
+{
+}
+static inline void all_vm_events(unsigned long *ret)
+{
+}
+static inline void vm_events_fold_cpu(int cpu)
+{
+}
+
+#endif /* CONFIG_VM_EVENT_COUNTERS */
+
+#define __count_zone_vm_events(item, zone, delta) \
+ __count_vm_events(item##_NORMAL - ZONE_NORMAL + \
+ zone_idx(zone), delta)