28 bool __init __early_make_pgtable(unsigned long address, pmdval_t pmd);
74 #define set_pmd(pmdp, pmd)		native_set_pmd(pmdp, pmd)  argument
98 #define pmd_clear(pmd)			native_pmd_clear(pmd)  argument
144 static inline bool pmd_dirty(pmd_t pmd)  in pmd_dirty()  argument
146 	return pmd_flags(pmd) & _PAGE_DIRTY_BITS;  in pmd_dirty()
149 static inline bool pmd_shstk(pmd_t pmd)  in pmd_shstk()  argument
152 	       (pmd_flags(pmd) & (_PAGE_RW | _PAGE_DIRTY | _PAGE_PSE)) ==  in pmd_shstk()
157 static inline int pmd_young(pmd_t pmd)  in pmd_young()  argument
159 	return pmd_flags(pmd) & _PAGE_ACCESSED;  in pmd_young()
182 static inline int pmd_write(pmd_t pmd)  in pmd_write()  argument
188 	return (pmd_flags(pmd) & _PAGE_RW) || pmd_shstk(pmd);  in pmd_write()
230 static inline unsigned long pmd_pfn(pmd_t pmd)  in pmd_pfn()  argument
232 	phys_addr_t pfn = pmd_val(pmd);  in pmd_pfn()
234 	return (pfn & pmd_pfn_mask(pmd)) >> PAGE_SHIFT;  in pmd_pfn()
271 static inline int pmd_trans_huge(pmd_t pmd)  in pmd_trans_huge()  argument
273 	return (pmd_val(pmd) & (_PAGE_PSE|_PAGE_DEVMAP)) == _PAGE_PSE;  in pmd_trans_huge()
290 static inline int pmd_devmap(pmd_t pmd)  in pmd_devmap()  argument
292 	return !!(pmd_val(pmd) & _PAGE_DEVMAP);  in pmd_devmap()
493 static inline pmd_t pmd_set_flags(pmd_t pmd, pmdval_t set)  in pmd_set_flags()  argument
495 	pmdval_t v = native_pmd_val(pmd);  in pmd_set_flags()
500 static inline pmd_t pmd_clear_flags(pmd_t pmd, pmdval_t clear)  in pmd_clear_flags()  argument
502 	pmdval_t v = native_pmd_val(pmd);  in pmd_clear_flags()
508 static inline pmd_t pmd_mksaveddirty(pmd_t pmd)  in pmd_mksaveddirty()  argument
510 	pmdval_t v = native_pmd_val(pmd);  in pmd_mksaveddirty()
517 static inline pmd_t pmd_clear_saveddirty(pmd_t pmd)  in pmd_clear_saveddirty()  argument
519 	pmdval_t v = native_pmd_val(pmd);  in pmd_clear_saveddirty()
525 static inline pmd_t pmd_wrprotect(pmd_t pmd)  in pmd_wrprotect()  argument
527 	pmd = pmd_clear_flags(pmd, _PAGE_RW);  in pmd_wrprotect()
531 	 * a shadow stack PMD (RW=0, Dirty=1). Move the hardware  in pmd_wrprotect()
534 	return pmd_mksaveddirty(pmd);  in pmd_wrprotect()
538 static inline int pmd_uffd_wp(pmd_t pmd)  in pmd_uffd_wp()  argument
540 	return pmd_flags(pmd) & _PAGE_UFFD_WP;  in pmd_uffd_wp()
543 static inline pmd_t pmd_mkuffd_wp(pmd_t pmd)  in pmd_mkuffd_wp()  argument
545 	return pmd_wrprotect(pmd_set_flags(pmd, _PAGE_UFFD_WP));  in pmd_mkuffd_wp()
548 static inline pmd_t pmd_clear_uffd_wp(pmd_t pmd)  in pmd_clear_uffd_wp()  argument
550 	return pmd_clear_flags(pmd, _PAGE_UFFD_WP);  in pmd_clear_uffd_wp()
554 static inline pmd_t pmd_mkold(pmd_t pmd)  in pmd_mkold()  argument
556 	return pmd_clear_flags(pmd, _PAGE_ACCESSED);  in pmd_mkold()
559 static inline pmd_t pmd_mkclean(pmd_t pmd)  in pmd_mkclean()  argument
561 	return pmd_clear_flags(pmd, _PAGE_DIRTY_BITS);  in pmd_mkclean()
564 static inline pmd_t pmd_mkdirty(pmd_t pmd)  in pmd_mkdirty()  argument
566 	pmd = pmd_set_flags(pmd, _PAGE_DIRTY | _PAGE_SOFT_DIRTY);  in pmd_mkdirty()
568 	return pmd_mksaveddirty(pmd);  in pmd_mkdirty()
571 static inline pmd_t pmd_mkwrite_shstk(pmd_t pmd)  in pmd_mkwrite_shstk()  argument
573 	pmd = pmd_clear_flags(pmd, _PAGE_RW);  in pmd_mkwrite_shstk()
575 	return pmd_set_flags(pmd, _PAGE_DIRTY);  in pmd_mkwrite_shstk()
578 static inline pmd_t pmd_mkdevmap(pmd_t pmd)  in pmd_mkdevmap()  argument
580 	return pmd_set_flags(pmd, _PAGE_DEVMAP);  in pmd_mkdevmap()
583 static inline pmd_t pmd_mkhuge(pmd_t pmd)  in pmd_mkhuge()  argument
585 	return pmd_set_flags(pmd, _PAGE_PSE);  in pmd_mkhuge()
588 static inline pmd_t pmd_mkyoung(pmd_t pmd)  in pmd_mkyoung()  argument
590 	return pmd_set_flags(pmd, _PAGE_ACCESSED);  in pmd_mkyoung()
593 static inline pmd_t pmd_mkwrite_novma(pmd_t pmd)  in pmd_mkwrite_novma()  argument
595 	return pmd_set_flags(pmd, _PAGE_RW);  in pmd_mkwrite_novma()
598 pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma);
690 static inline int pmd_soft_dirty(pmd_t pmd)  in pmd_soft_dirty()  argument
692 	return pmd_flags(pmd) & _PAGE_SOFT_DIRTY;  in pmd_soft_dirty()
705 static inline pmd_t pmd_mksoft_dirty(pmd_t pmd)  in pmd_mksoft_dirty()  argument
707 	return pmd_set_flags(pmd, _PAGE_SOFT_DIRTY);  in pmd_mksoft_dirty()
720 static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd)  in pmd_clear_soft_dirty()  argument
722 	return pmd_clear_flags(pmd, _PAGE_SOFT_DIRTY);  in pmd_clear_soft_dirty()
787 static inline pmd_t pmd_mkinvalid(pmd_t pmd)  in pmd_mkinvalid()  argument
789 	return pfn_pmd(pmd_pfn(pmd),  in pmd_mkinvalid()
790 		      __pgprot(pmd_flags(pmd) & ~(_PAGE_PRESENT|_PAGE_PROTNONE)));  in pmd_mkinvalid()
828 static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)  in pmd_modify()  argument
830 	pmdval_t val = pmd_val(pmd), oldval = val;  in pmd_modify()
991 static inline int pmd_present(pmd_t pmd)  in pmd_present()  argument
999 	return pmd_flags(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PSE);  in pmd_present()
1013 static inline int pmd_protnone(pmd_t pmd)  in pmd_protnone()  argument
1015 	return (pmd_flags(pmd) & (_PAGE_PROTNONE | _PAGE_PRESENT))  in pmd_protnone()
1020 static inline int pmd_none(pmd_t pmd)  in pmd_none()  argument
1024 	unsigned long val = native_pmd_val(pmd);  in pmd_none()
1028 static inline unsigned long pmd_page_vaddr(pmd_t pmd)  in pmd_page_vaddr()  argument
1030 	return (unsigned long)__va(pmd_val(pmd) & pmd_pfn_mask(pmd));  in pmd_page_vaddr()
1037 #define pmd_page(pmd)	pfn_to_page(pmd_pfn(pmd))  argument
1055 static inline int pmd_bad(pmd_t pmd)  in pmd_bad()  argument
1057 	return (pmd_flags(pmd) & ~(_PAGE_USER | _PAGE_ACCESSED)) !=  in pmd_bad()
1245 			      pmd_t *pmdp, pmd_t pmd)  in set_pmd_at()  argument
1247 	page_table_check_pmd_set(mm, pmdp, pmd);  in set_pmd_at()
1248 	set_pmd(pmdp, pmd);  in set_pmd_at()
1352 	pmd_t pmd = native_pmdp_get_and_clear(pmdp);  in pmdp_huge_get_and_clear()  local
1354 	page_table_check_pmd_clear(mm, pmd);  in pmdp_huge_get_and_clear()
1356 	return pmd;  in pmdp_huge_get_and_clear()
1390 		unsigned long address, pmd_t *pmdp, pmd_t pmd)  in pmdp_establish()
1392 	page_table_check_pmd_set(vma->vm_mm, pmdp, pmd);  in pmdp_establish()
1394 		return xchg(pmdp, pmd);  in pmdp_establish()
1397 		WRITE_ONCE(*pmdp, pmd);  in pmdp_establish()
1523 		unsigned long addr, pmd_t *pmd)  in update_mmu_cache_pmd()  argument
1562 static inline pmd_t pmd_swp_mksoft_dirty(pmd_t pmd)  in pmd_swp_mksoft_dirty()  argument
1564 	return pmd_set_flags(pmd, _PAGE_SWP_SOFT_DIRTY);  in pmd_swp_mksoft_dirty()
1567 static inline int pmd_swp_soft_dirty(pmd_t pmd)  in pmd_swp_soft_dirty()  argument
1569 	return pmd_flags(pmd) & _PAGE_SWP_SOFT_DIRTY;  in pmd_swp_soft_dirty()
1572 static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd)  in pmd_swp_clear_soft_dirty()  argument
1574 	return pmd_clear_flags(pmd, _PAGE_SWP_SOFT_DIRTY);  in pmd_swp_clear_soft_dirty()
1595 static inline pmd_t pmd_swp_mkuffd_wp(pmd_t pmd)  in pmd_swp_mkuffd_wp()  argument
1597 	return pmd_set_flags(pmd, _PAGE_SWP_UFFD_WP);  in pmd_swp_mkuffd_wp()
1600 static inline int pmd_swp_uffd_wp(pmd_t pmd)  in pmd_swp_uffd_wp()  argument
1602 	return pmd_flags(pmd) & _PAGE_SWP_UFFD_WP;  in pmd_swp_uffd_wp()
1605 static inline pmd_t pmd_swp_clear_uffd_wp(pmd_t pmd)  in pmd_swp_clear_uffd_wp()  argument
1607 	return pmd_clear_flags(pmd, _PAGE_SWP_UFFD_WP);  in pmd_swp_clear_uffd_wp()
1634  * 'pteval' can come from a PTE, PMD or PUD.  We only check
1663 static inline bool pmd_access_permitted(pmd_t pmd, bool write)  in pmd_access_permitted()  argument
1665 	return __pte_access_permitted(pmd_val(pmd), write);  in pmd_access_permitted()
1692 void arch_check_zapped_pmd(struct vm_area_struct *vma, pmd_t pmd);
1708 static inline bool pmd_user_accessible_page(pmd_t pmd)  in pmd_user_accessible_page()  argument
1710 	return pmd_leaf(pmd) && (pmd_val(pmd) & _PAGE_PRESENT) && (pmd_val(pmd) & _PAGE_USER);  in pmd_user_accessible_page()