region_get_mem
metric_print(&metric, buf, region_get_mem(xfrd->region));
metric_print(&metric, buf, region_get_mem(xfrd->nsd->options->region));
t->opt_data = region_get_mem(opt->region);
zmem->data = region_get_mem(db->region);
size_t region_get_mem(region_type* region);
if(!print_longnum(ssl, "size.xfrd.mem=", region_get_mem(xfrd->region)))
if(!print_longnum(ssl, "size.config.mem=", region_get_mem(
region_get_mem(nsd->db->region);
nsd->st->db_mem = region_get_mem(nsd->db->region);