211 	pte_t *ptep;  in xen_build_mfn_list_list()  local
240 		ptep = lookup_address((unsigned long)(xen_p2m_addr + pfn),  in xen_build_mfn_list_list()
242 		BUG_ON(!ptep || level != PG_LEVEL_4K);  in xen_build_mfn_list_list()
243 		mfn = pte_mfn(*ptep);  in xen_build_mfn_list_list()
244 		ptep = (pte_t *)((unsigned long)ptep & ~(PAGE_SIZE - 1));  in xen_build_mfn_list_list()
250 		if (ptep == p2m_missing_pte || ptep == p2m_identity_pte) {  in xen_build_mfn_list_list()
334 	pte_t *ptep;  in xen_rebuild_p2m_list()  local
386 			ptep = populate_extra_pte((unsigned long)(p2m + pfn));  in xen_rebuild_p2m_list()
387 			set_pte(ptep,  in xen_rebuild_p2m_list()
396 			ptep = populate_extra_pte((unsigned long)(p2m + pfn));  in xen_rebuild_p2m_list()
397 			set_pte(ptep,  in xen_rebuild_p2m_list()
403 		ptep = (type == P2M_TYPE_MISSING) ?  in xen_rebuild_p2m_list()
408 			set_pmd(pmdp, __pmd(__pa(ptep) | _KERNPG_TABLE));  in xen_rebuild_p2m_list()
439 	pte_t *ptep;  in get_phys_to_machine()  local
449 	ptep = lookup_address((unsigned long)(xen_p2m_addr + pfn), &level);  in get_phys_to_machine()
450 	BUG_ON(!ptep || level != PG_LEVEL_4K);  in get_phys_to_machine()
457 	if (pte_pfn(*ptep) == PFN_DOWN(__pa(p2m_identity)))  in get_phys_to_machine()
537 	pte_t *ptep, *pte_pg;  in xen_alloc_p2m_entry()  local
546 	ptep = lookup_address(addr, &level);  in xen_alloc_p2m_entry()
547 	BUG_ON(!ptep || level != PG_LEVEL_4K);  in xen_alloc_p2m_entry()
548 	pte_pg = (pte_t *)((unsigned long)ptep & ~(PAGE_SIZE - 1));  in xen_alloc_p2m_entry()
552 		ptep = alloc_p2m_pmd(addr, pte_pg);  in xen_alloc_p2m_entry()
553 		if (!ptep)  in xen_alloc_p2m_entry()
590 	p2m_pfn = pte_pfn(READ_ONCE(*ptep));  in xen_alloc_p2m_entry()
607 		if (pte_pfn(*ptep) == p2m_pfn) {  in xen_alloc_p2m_entry()
610 			set_pte(ptep,  in xen_alloc_p2m_entry()
660 	pte_t *ptep;  in __set_phys_to_machine()  local
680 	ptep = lookup_address((unsigned long)(xen_p2m_addr + pfn), &level);  in __set_phys_to_machine()
681 	BUG_ON(!ptep || level != PG_LEVEL_4K);  in __set_phys_to_machine()
683 	if (pte_pfn(*ptep) == PFN_DOWN(__pa(p2m_missing)))  in __set_phys_to_machine()
686 	if (pte_pfn(*ptep) == PFN_DOWN(__pa(p2m_identity)))  in __set_phys_to_machine()