47 } p4d_t;  typedef
50 #define __p4d(x)	((p4d_t) { (x) })
51 #define PTRS_PER_P4D	(PAGE_SIZE / sizeof(p4d_t))
276 static inline void set_p4d(p4d_t *p4dp, p4d_t p4d)  in set_p4d()
284 static inline int p4d_none(p4d_t p4d)  in p4d_none()
292 static inline int p4d_present(p4d_t p4d)  in p4d_present()
300 static inline int p4d_bad(p4d_t p4d)  in p4d_bad()
308 static inline void p4d_clear(p4d_t *p4d)  in p4d_clear()
314 static inline p4d_t pfn_p4d(unsigned long pfn, pgprot_t prot)  in pfn_p4d()
319 static inline unsigned long _p4d_pfn(p4d_t p4d)  in _p4d_pfn()
324 static inline pud_t *p4d_pgtable(p4d_t p4d)  in p4d_pgtable()
333 static inline struct page *p4d_page(p4d_t p4d)  in p4d_page()
341 pud_t *pud_offset(p4d_t *p4d, unsigned long address);
348 		set_p4d((p4d_t *)pgdp, (p4d_t){ pgd_val(pgd) });  in set_pgd()
381 static inline p4d_t *pgd_pgtable(pgd_t pgd)  in pgd_pgtable()
384 		return (p4d_t *)pfn_to_virt(__page_val_to_pfn(pgd_val(pgd)));  in pgd_pgtable()
386 	return (p4d_t *)p4d_pgtable((p4d_t) { pgd_val(pgd) });  in pgd_pgtable()
399 p4d_t *p4d_offset(pgd_t *pgd, unsigned long address);