diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index e73d1030f2f7..51359837511a 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -261,6 +261,7 @@ 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); +void refresh_zone_stat_thresholds(void); int calculate_pressure_threshold(struct zone *zone); int calculate_normal_threshold(struct zone *zone); @@ -313,6 +314,8 @@ static inline void __dec_zone_page_state(struct page *page, #define set_pgdat_percpu_threshold(pgdat, callback) { } static inline void refresh_cpu_vm_stats(int cpu) { } +static inline void refresh_zone_stat_thresholds(void) { } + #endif /* CONFIG_SMP */ extern const char * const vmstat_text[]; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e133cea36932..77773329aa72 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include #include @@ -5152,6 +5153,7 @@ int __meminit init_per_zone_wmark_min(void) if (min_free_kbytes > 65536) min_free_kbytes = 65536; setup_per_zone_wmarks(); + refresh_zone_stat_thresholds(); setup_per_zone_lowmem_reserve(); setup_per_zone_inactive_ratio(); return 0; diff --git a/mm/vmstat.c b/mm/vmstat.c index 209546a8bdd5..20c18b7694b2 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -157,7 +157,7 @@ int calculate_normal_threshold(struct zone *zone) /* * Refresh the thresholds for each zone. */ -static void refresh_zone_stat_thresholds(void) +void refresh_zone_stat_thresholds(void) { struct zone *zone; int cpu; @@ -1201,7 +1201,6 @@ static int __init setup_vmstat(void) #ifdef CONFIG_SMP int cpu; - refresh_zone_stat_thresholds(); register_cpu_notifier(&vmstat_notifier); for_each_online_cpu(cpu)