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-rw-r--r--include/linux/vmstat.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index eaaea37b3b75..833e676d6d92 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -254,6 +254,11 @@ extern void dec_zone_state(struct zone *, enum zone_stat_item);
extern void __dec_zone_state(struct zone *, enum zone_stat_item);
void refresh_cpu_vm_stats(int);
+
+int calculate_pressure_threshold(struct zone *zone);
+int calculate_normal_threshold(struct zone *zone);
+void set_pgdat_percpu_threshold(pg_data_t *pgdat,
+ int (*calculate_pressure)(struct zone *));
#else /* CONFIG_SMP */
/*
@@ -298,6 +303,8 @@ static inline void __dec_zone_page_state(struct page *page,
#define dec_zone_page_state __dec_zone_page_state
#define mod_zone_page_state __mod_zone_page_state
+#define set_pgdat_percpu_threshold(pgdat, callback) { }
+
static inline void refresh_cpu_vm_stats(int cpu) { }
#endif