diff options
| -rw-r--r-- | drivers/hv/hv_balloon.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index c5bb87244dd7..f1f17c5ad8d8 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -652,6 +652,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size, } has->ha_end_pfn -= HA_CHUNK; has->covered_end_pfn -= processed_pfn; + mutex_lock(&dm_device.ha_region_mutex); break; } |