[PATCH] Simple fix

[Huacai Chen <chenhuacai@loongson.cn>]

Hi, all, I like simple fixes, so is this acceptable (based on an early
version from Koichiro Den)?
---
 mm/vmstat.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 0889b75cef14..1badc24a21ff 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -2122,10 +2122,15 @@ static void __init start_shepherd_timer(void)
 {
 	int cpu;
 
-	for_each_possible_cpu(cpu)
+	for_each_possible_cpu(cpu) {
 		INIT_DEFERRABLE_WORK(per_cpu_ptr(&vmstat_work, cpu),
 			vmstat_update);
 
+		/* Will be enabled on vmstat_cpu_online() */
+		if (!cpu_online(cpu))
+			disable_delayed_work_sync(&per_cpu(vmstat_work, cpu));
+	}
+
 	schedule_delayed_work(&shepherd,
 		round_jiffies_relative(sysctl_stat_interval));
 }
-- 
2.43.5