range_overflows
GEM_BUG_ON(range_overflows(offset, size, vm->total));
GEM_BUG_ON(range_overflows(start, len, end));
if (unlikely(range_overflows(start, size, end)))
GEM_BUG_ON(range_overflows(offset, size, resource_size(&dev_priv->dsm)));
range_overflows((type)(start), (type)(size), (type)(max))
if (GEM_WARN_ON(range_overflows(vma->node.start,
range_overflows(offset, size, end)) {