95 	pr_err("%s:%d: bad pmd %016lx.\n", __FILE__, __LINE__, pmd_val(e))
154 typedef struct { unsigned long pmd; } pmd_t;  member
155 #define pmd_val(x)	((x).pmd)
196  * Empty pmd entries point to the invalid_pte_table.
198 static inline int pmd_none(pmd_t pmd)  in pmd_none()  argument
200 	return pmd_val(pmd) == (unsigned long)invalid_pte_table;  in pmd_none()
203 static inline int pmd_bad(pmd_t pmd)  in pmd_bad()  argument
205 	return (pmd_val(pmd) & ~PAGE_MASK);  in pmd_bad()
208 static inline int pmd_present(pmd_t pmd)  in pmd_present()  argument
210 	if (unlikely(pmd_val(pmd) & _PAGE_HUGE))  in pmd_present()
211 		return !!(pmd_val(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE));  in pmd_present()
213 	return pmd_val(pmd) != (unsigned long)invalid_pte_table;  in pmd_present()
223 #define pmd_phys(pmd)		PHYSADDR(pmd_val(pmd))  argument
226 #define pmd_page(pmd)		(pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))  argument
229 #define pmd_page_vaddr(pmd)	pmd_val(pmd)  argument
232 extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd);
240  * Initialize a new pgd / pmd table with invalid pointers.
258 #define __pmd_to_swp_entry(pmd) ((swp_entry_t) { pmd_val(pmd) })  argument
430 static inline unsigned long pmd_pfn(pmd_t pmd)  in pmd_pfn()  argument
432 	return (pmd_val(pmd) & _PFN_MASK) >> _PFN_SHIFT;  in pmd_pfn()
440 static inline int pmd_trans_huge(pmd_t pmd)  in pmd_trans_huge()  argument
442 	return !!(pmd_val(pmd) & _PAGE_HUGE) && pmd_present(pmd);  in pmd_trans_huge()
445 static inline pmd_t pmd_mkhuge(pmd_t pmd)  in pmd_mkhuge()  argument
447 	pmd_val(pmd) = (pmd_val(pmd) & ~(_PAGE_GLOBAL)) |  in pmd_mkhuge()
448 		((pmd_val(pmd) & _PAGE_GLOBAL) << (_PAGE_HGLOBAL_SHIFT - _PAGE_GLOBAL_SHIFT));  in pmd_mkhuge()
449 	pmd_val(pmd) |= _PAGE_HUGE;  in pmd_mkhuge()
451 	return pmd;  in pmd_mkhuge()
455 static inline int pmd_write(pmd_t pmd)  in pmd_write()  argument
457 	return !!(pmd_val(pmd) & _PAGE_WRITE);  in pmd_write()
460 static inline pmd_t pmd_mkwrite(pmd_t pmd)  in pmd_mkwrite()  argument
462 	pmd_val(pmd) |= _PAGE_WRITE;  in pmd_mkwrite()
463 	if (pmd_val(pmd) & _PAGE_MODIFIED)  in pmd_mkwrite()
464 		pmd_val(pmd) |= _PAGE_DIRTY;  in pmd_mkwrite()
465 	return pmd;  in pmd_mkwrite()
468 static inline pmd_t pmd_wrprotect(pmd_t pmd)  in pmd_wrprotect()  argument
470 	pmd_val(pmd) &= ~(_PAGE_WRITE | _PAGE_DIRTY);  in pmd_wrprotect()
471 	return pmd;  in pmd_wrprotect()
474 static inline int pmd_dirty(pmd_t pmd)  in pmd_dirty()  argument
476 	return !!(pmd_val(pmd) & _PAGE_MODIFIED);  in pmd_dirty()
479 static inline pmd_t pmd_mkclean(pmd_t pmd)  in pmd_mkclean()  argument
481 	pmd_val(pmd) &= ~(_PAGE_DIRTY | _PAGE_MODIFIED);  in pmd_mkclean()
482 	return pmd;  in pmd_mkclean()
485 static inline pmd_t pmd_mkdirty(pmd_t pmd)  in pmd_mkdirty()  argument
487 	pmd_val(pmd) |= _PAGE_MODIFIED;  in pmd_mkdirty()
488 	if (pmd_val(pmd) & _PAGE_WRITE)  in pmd_mkdirty()
489 		pmd_val(pmd) |= _PAGE_DIRTY;  in pmd_mkdirty()
490 	return pmd;  in pmd_mkdirty()
494 static inline int pmd_young(pmd_t pmd)  in pmd_young()  argument
496 	return !!(pmd_val(pmd) & _PAGE_ACCESSED);  in pmd_young()
499 static inline pmd_t pmd_mkold(pmd_t pmd)  in pmd_mkold()  argument
501 	pmd_val(pmd) &= ~_PAGE_ACCESSED;  in pmd_mkold()
502 	return pmd;  in pmd_mkold()
505 static inline pmd_t pmd_mkyoung(pmd_t pmd)  in pmd_mkyoung()  argument
507 	pmd_val(pmd) |= _PAGE_ACCESSED;  in pmd_mkyoung()
508 	return pmd;  in pmd_mkyoung()
511 static inline struct page *pmd_page(pmd_t pmd)  in pmd_page()  argument
513 	if (pmd_trans_huge(pmd))  in pmd_page()
514 		return pfn_to_page(pmd_pfn(pmd));  in pmd_page()
516 	return pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT);  in pmd_page()
519 static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)  in pmd_modify()  argument
521 	pmd_val(pmd) = (pmd_val(pmd) & _HPAGE_CHG_MASK) |  in pmd_modify()
523 	return pmd;  in pmd_modify()
526 static inline pmd_t pmd_mkinvalid(pmd_t pmd)  in pmd_mkinvalid()  argument
528 	pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY | _PAGE_PROTNONE);  in pmd_mkinvalid()
530 	return pmd;  in pmd_mkinvalid()
556 static inline long pmd_protnone(pmd_t pmd)  in pmd_protnone()  argument
558 	return (pmd_val(pmd) & _PAGE_PROTNONE);  in pmd_protnone()