[uAPI] __u32 max_page_size;
"What's the intended usage for this field? What exactly does max_page_size mean and how is UMD expected to use it? Is it the max size of a GTT page-table entry? https://lore.kernel.org/all/863bebd0c624d6fc2b38c0a06b63e468b4185128.camel@linux.intel.com"