diff options
| -rw-r--r-- | drivers/hv/hv_balloon.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index f5728deff893..0a5c318eedc1 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -584,10 +584,6 @@ static int hv_memory_notifier(struct notifier_block *nb, unsigned long val, switch (val) { case MEM_ONLINE: - spin_lock_irqsave(&dm_device.ha_lock, flags); - dm_device.num_pages_onlined += mem->nr_pages; - spin_unlock_irqrestore(&dm_device.ha_lock, flags); - /* Fall through */ case MEM_CANCEL_ONLINE: if (dm_device.ha_waiting) { dm_device.ha_waiting = false; @@ -644,6 +640,9 @@ static void hv_page_online_one(struct hv_hotadd_state *has, struct page *pg) __online_page_set_limits(pg); __online_page_increment_counters(pg); __online_page_free(pg); + + WARN_ON_ONCE(!spin_is_locked(&dm_device.ha_lock)); + dm_device.num_pages_onlined++; } static void hv_bring_pgs_online(struct hv_hotadd_state *has, |