92 #define pmd_phys(pmd)		virt_to_phys((void *)pmd_val(pmd))  argument
94 #define __pmd_page(pmd)		(pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))  argument
96 #define pmd_page(pmd)		__pmd_page(pmd)  argument
99 #define pmd_page_vaddr(pmd)	pmd_val(pmd)  argument
543 static inline int pmd_trans_huge(pmd_t pmd)  argument
545 	return !!(pmd_val(pmd) & _PAGE_HUGE);
548 static inline pmd_t pmd_mkhuge(pmd_t pmd)  argument
550 	pmd_val(pmd) |= _PAGE_HUGE;
552 	return pmd;
556 		       pmd_t *pmdp, pmd_t pmd);
559 static inline int pmd_write(pmd_t pmd)  argument
561 	return !!(pmd_val(pmd) & _PAGE_WRITE);
564 static inline pmd_t pmd_wrprotect(pmd_t pmd)  argument
566 	pmd_val(pmd) &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
567 	return pmd;
570 static inline pmd_t pmd_mkwrite(pmd_t pmd)  argument
572 	pmd_val(pmd) |= _PAGE_WRITE;
573 	if (pmd_val(pmd) & _PAGE_MODIFIED)
574 		pmd_val(pmd) |= _PAGE_SILENT_WRITE;
576 	return pmd;
579 static inline int pmd_dirty(pmd_t pmd)  argument
581 	return !!(pmd_val(pmd) & _PAGE_MODIFIED);
584 static inline pmd_t pmd_mkclean(pmd_t pmd)  argument
586 	pmd_val(pmd) &= ~(_PAGE_MODIFIED | _PAGE_SILENT_WRITE);
587 	return pmd;
590 static inline pmd_t pmd_mkdirty(pmd_t pmd)  argument
592 	pmd_val(pmd) |= _PAGE_MODIFIED;
593 	if (pmd_val(pmd) & _PAGE_WRITE)
594 		pmd_val(pmd) |= _PAGE_SILENT_WRITE;
596 	return pmd;
599 static inline int pmd_young(pmd_t pmd)  argument
601 	return !!(pmd_val(pmd) & _PAGE_ACCESSED);
604 static inline pmd_t pmd_mkold(pmd_t pmd)  argument
606 	pmd_val(pmd) &= ~(_PAGE_ACCESSED|_PAGE_SILENT_READ);
608 	return pmd;
611 static inline pmd_t pmd_mkyoung(pmd_t pmd)  argument
613 	pmd_val(pmd) |= _PAGE_ACCESSED;
615 	if (!(pmd_val(pmd) & _PAGE_NO_READ))
616 		pmd_val(pmd) |= _PAGE_SILENT_READ;
618 	return pmd;
624 static inline unsigned long pmd_pfn(pmd_t pmd)  argument
626 	return pmd_val(pmd) >> _PFN_SHIFT;
629 static inline struct page *pmd_page(pmd_t pmd)  argument
631 	if (pmd_trans_huge(pmd))
632 		return pfn_to_page(pmd_pfn(pmd));
634 	return pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT);
637 static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)  argument
639 	pmd_val(pmd) = (pmd_val(pmd) & (_PAGE_CHG_MASK | _PAGE_HUGE)) |
641 	return pmd;
644 static inline pmd_t pmd_mknotpresent(pmd_t pmd)  argument
646 	pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY);
648 	return pmd;