175 typedef struct { unsigned long pmd; } pmd_t;  member
176 #define pmd_val(x)	((x).pmd)
222 static inline int pmd_none(pmd_t pmd)  in pmd_none()  argument
224 	return pmd_val(pmd) == (unsigned long)invalid_pte_table;  in pmd_none()
227 static inline int pmd_bad(pmd_t pmd)  in pmd_bad()  argument
229 	return (pmd_val(pmd) & ~PAGE_MASK);  in pmd_bad()
232 static inline int pmd_present(pmd_t pmd)  in pmd_present()  argument
234 	if (unlikely(pmd_val(pmd) & _PAGE_HUGE))  in pmd_present()
235 		return !!(pmd_val(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PRESENT_INVALID));  in pmd_present()
237 	return pmd_val(pmd) != (unsigned long)invalid_pte_table;  in pmd_present()
240 static inline void set_pmd(pmd_t *pmd, pmd_t pmdval)  in set_pmd()  argument
242 	WRITE_ONCE(*pmd, pmdval);  in set_pmd()
250 #define pmd_phys(pmd)		PHYSADDR(pmd_val(pmd))  argument
253 #define pmd_page(pmd)		(pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))  argument
256 #define pmd_page_vaddr(pmd)	pmd_val(pmd)  argument
259 extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd);
299 #define __pmd_to_swp_entry(pmd) ((swp_entry_t) { pmd_val(pmd) })  argument
465 static inline unsigned long pmd_pfn(pmd_t pmd)  in pmd_pfn()  argument
467 	return (pmd_val(pmd) & _PFN_MASK) >> PFN_PTE_SHIFT;  in pmd_pfn()
475 static inline int pmd_trans_huge(pmd_t pmd)  in pmd_trans_huge()  argument
477 	return !!(pmd_val(pmd) & _PAGE_HUGE) && pmd_present(pmd);  in pmd_trans_huge()
480 static inline pmd_t pmd_mkhuge(pmd_t pmd)  in pmd_mkhuge()  argument
482 	pmd_val(pmd) = (pmd_val(pmd) & ~(_PAGE_GLOBAL)) |  in pmd_mkhuge()
483 		((pmd_val(pmd) & _PAGE_GLOBAL) << (_PAGE_HGLOBAL_SHIFT - _PAGE_GLOBAL_SHIFT));  in pmd_mkhuge()
484 	pmd_val(pmd) |= _PAGE_HUGE;  in pmd_mkhuge()
486 	return pmd;  in pmd_mkhuge()
490 static inline int pmd_write(pmd_t pmd)  in pmd_write()  argument
492 	return !!(pmd_val(pmd) & _PAGE_WRITE);  in pmd_write()
495 static inline pmd_t pmd_mkwrite_novma(pmd_t pmd)  in pmd_mkwrite_novma()  argument
497 	pmd_val(pmd) |= _PAGE_WRITE;  in pmd_mkwrite_novma()
498 	if (pmd_val(pmd) & _PAGE_MODIFIED)  in pmd_mkwrite_novma()
499 		pmd_val(pmd) |= _PAGE_DIRTY;  in pmd_mkwrite_novma()
500 	return pmd;  in pmd_mkwrite_novma()
503 static inline pmd_t pmd_wrprotect(pmd_t pmd)  in pmd_wrprotect()  argument
505 	pmd_val(pmd) &= ~(_PAGE_WRITE | _PAGE_DIRTY);  in pmd_wrprotect()
506 	return pmd;  in pmd_wrprotect()
510 static inline int pmd_dirty(pmd_t pmd)  in pmd_dirty()  argument
512 	return !!(pmd_val(pmd) & (_PAGE_DIRTY | _PAGE_MODIFIED));  in pmd_dirty()
515 static inline pmd_t pmd_mkclean(pmd_t pmd)  in pmd_mkclean()  argument
517 	pmd_val(pmd) &= ~(_PAGE_DIRTY | _PAGE_MODIFIED);  in pmd_mkclean()
518 	return pmd;  in pmd_mkclean()
521 static inline pmd_t pmd_mkdirty(pmd_t pmd)  in pmd_mkdirty()  argument
523 	pmd_val(pmd) |= _PAGE_MODIFIED;  in pmd_mkdirty()
524 	if (pmd_val(pmd) & _PAGE_WRITE)  in pmd_mkdirty()
525 		pmd_val(pmd) |= _PAGE_DIRTY;  in pmd_mkdirty()
526 	return pmd;  in pmd_mkdirty()
530 static inline int pmd_young(pmd_t pmd)  in pmd_young()  argument
532 	return !!(pmd_val(pmd) & _PAGE_ACCESSED);  in pmd_young()
535 static inline pmd_t pmd_mkold(pmd_t pmd)  in pmd_mkold()  argument
537 	pmd_val(pmd) &= ~_PAGE_ACCESSED;  in pmd_mkold()
538 	return pmd;  in pmd_mkold()
541 static inline pmd_t pmd_mkyoung(pmd_t pmd)  in pmd_mkyoung()  argument
543 	pmd_val(pmd) |= _PAGE_ACCESSED;  in pmd_mkyoung()
544 	return pmd;  in pmd_mkyoung()
547 static inline int pmd_devmap(pmd_t pmd)  in pmd_devmap()  argument
549 	return !!(pmd_val(pmd) & _PAGE_DEVMAP);  in pmd_devmap()
552 static inline pmd_t pmd_mkdevmap(pmd_t pmd)  in pmd_mkdevmap()  argument
554 	pmd_val(pmd) |= _PAGE_DEVMAP;  in pmd_mkdevmap()
555 	return pmd;  in pmd_mkdevmap()
558 static inline struct page *pmd_page(pmd_t pmd)  in pmd_page()  argument
560 	if (pmd_trans_huge(pmd))  in pmd_page()
561 		return pfn_to_page(pmd_pfn(pmd));  in pmd_page()
563 	return pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT);  in pmd_page()
566 static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)  in pmd_modify()  argument
568 	pmd_val(pmd) = (pmd_val(pmd) & _HPAGE_CHG_MASK) |  in pmd_modify()
570 	return pmd;  in pmd_modify()
573 static inline pmd_t pmd_mkinvalid(pmd_t pmd)  in pmd_mkinvalid()  argument
575 	pmd_val(pmd) |= _PAGE_PRESENT_INVALID;  in pmd_mkinvalid()
576 	pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY | _PAGE_PROTNONE);  in pmd_mkinvalid()
578 	return pmd;  in pmd_mkinvalid()
604 static inline long pmd_protnone(pmd_t pmd)  in pmd_protnone()  argument
606 	return (pmd_val(pmd) & _PAGE_PROTNONE);  in pmd_protnone()
610 #define pmd_leaf(pmd)		((pmd_val(pmd) & _PAGE_HUGE) != 0)  argument