migration: Make downtime_bytes atomic

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/migration/ram.h b/migration/ram.h
index a766b895fa..bb52632424 100644
--- a/migration/ram.h
+++ b/migration/ram.h
@@ -44,7 +44,7 @@ typedef struct {
     int64_t dirty_pages_rate;
     int64_t dirty_sync_count;
     Stat64 dirty_sync_missed_zero_copy;
-    uint64_t downtime_bytes;
+    Stat64 downtime_bytes;
     Stat64 duplicate;
     Stat64 multifd_bytes;
     Stat64 normal;