func: static void vpc_close(BlockDriverState *bs)
  
  {
  
      BDRVVPCState *s = bs->opaque;
  
      g_free(s->pagetable);
  
  #ifdef CACHE
  
      g_free(s->pageentry_u8);
  
  #endif
  
  
  
      migrate_del_blocker(s->migration_blocker);
  
      error_free(s->migration_blocker);
  
  }
  