diff options
| -rw-r--r-- | mm/vmstat.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index aaee66330e01..158ca6494bc6 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -414,6 +414,15 @@ void dec_zone_page_state(struct page *page, enum zone_stat_item item) EXPORT_SYMBOL(dec_zone_page_state); #endif +static inline void fold_diff(int *diff) +{ + int i; + + for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) + if (diff[i]) + atomic_long_add(diff[i], &vm_stat[i]); +} + /* * Update the zone counters for the current cpu. * @@ -483,10 +492,7 @@ static void refresh_cpu_vm_stats(int cpu) drain_zone_pages(zone, &p->pcp); #endif } - - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - if (global_diff[i]) - atomic_long_add(global_diff[i], &vm_stat[i]); + fold_diff(global_diff); } /* @@ -516,9 +522,7 @@ void cpu_vm_stats_fold(int cpu) } } - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - if (global_diff[i]) - atomic_long_add(global_diff[i], &vm_stat[i]); + fold_diff(global_diff); } /* |