INTEL_MAX_PPAT_ENTRIES
GEM_BUG_ON(ppat->max_entries > INTEL_MAX_PPAT_ENTRIES);
struct intel_ppat_entry entries[INTEL_MAX_PPAT_ENTRIES];
DECLARE_BITMAP(used, INTEL_MAX_PPAT_ENTRIES);
DECLARE_BITMAP(dirty, INTEL_MAX_PPAT_ENTRIES);