refresh_zone_stat_thresholds() calculates parameter based on
the number of online cpus. It's called at cpu offlining but
needs to be called at onlining, too.
Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
---
mm/vmstat.c | 1 +
1 file changed, 1 insertion(+)
Index: mmotm-0811/mm/vmstat.c
===================================================================
--- mmotm-0811.orig/mm/vmstat.c
+++ mmotm-0811/mm/vmstat.c
@@ -998,6 +998,7 @@ static int __cpuinit vmstat_cpuup_callba
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
+ refresh_zone_stat_thresholds();
start_cpu_timer(cpu);
node_set_state(cpu_to_node(cpu), N_CPU);
break;
--
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