197 	pte_t *ptep;  in xen_build_mfn_list_list()  local
225 		ptep = lookup_address((unsigned long)(xen_p2m_addr + pfn),  in xen_build_mfn_list_list()
227 		BUG_ON(!ptep || level != PG_LEVEL_4K);  in xen_build_mfn_list_list()
228 		mfn = pte_mfn(*ptep);  in xen_build_mfn_list_list()
229 		ptep = (pte_t *)((unsigned long)ptep & ~(PAGE_SIZE - 1));  in xen_build_mfn_list_list()
235 		if (ptep == p2m_missing_pte || ptep == p2m_identity_pte) {  in xen_build_mfn_list_list()
312 	pte_t *ptep;  in xen_rebuild_p2m_list()  local
364 			ptep = populate_extra_pte((unsigned long)(p2m + pfn));  in xen_rebuild_p2m_list()
365 			set_pte(ptep,  in xen_rebuild_p2m_list()
374 			ptep = populate_extra_pte((unsigned long)(p2m + pfn));  in xen_rebuild_p2m_list()
375 			set_pte(ptep,  in xen_rebuild_p2m_list()
381 		ptep = (type == P2M_TYPE_MISSING) ?  in xen_rebuild_p2m_list()
386 			set_pmd(pmdp, __pmd(__pa(ptep) | _KERNPG_TABLE));  in xen_rebuild_p2m_list()
415 	pte_t *ptep;  in get_phys_to_machine()  local
425 	ptep = lookup_address((unsigned long)(xen_p2m_addr + pfn), &level);  in get_phys_to_machine()
426 	BUG_ON(!ptep || level != PG_LEVEL_4K);  in get_phys_to_machine()
433 	if (pte_pfn(*ptep) == PFN_DOWN(__pa(p2m_identity)))  in get_phys_to_machine()
509 	pte_t *ptep, *pte_pg;  in alloc_p2m()  local
518 	ptep = lookup_address(addr, &level);  in alloc_p2m()
519 	BUG_ON(!ptep || level != PG_LEVEL_4K);  in alloc_p2m()
520 	pte_pg = (pte_t *)((unsigned long)ptep & ~(PAGE_SIZE - 1));  in alloc_p2m()
524 		ptep = alloc_p2m_pmd(addr, pte_pg);  in alloc_p2m()
525 		if (!ptep)  in alloc_p2m()
561 	p2m_pfn = pte_pfn(READ_ONCE(*ptep));  in alloc_p2m()
578 		if (pte_pfn(*ptep) == p2m_pfn) {  in alloc_p2m()
579 			set_pte(ptep,  in alloc_p2m()
620 	pte_t *ptep;  in __set_phys_to_machine()  local
635 	ptep = lookup_address((unsigned long)(xen_p2m_addr + pfn), &level);  in __set_phys_to_machine()
636 	BUG_ON(!ptep || level != PG_LEVEL_4K);  in __set_phys_to_machine()
638 	if (pte_pfn(*ptep) == PFN_DOWN(__pa(p2m_missing)))  in __set_phys_to_machine()
641 	if (pte_pfn(*ptep) == PFN_DOWN(__pa(p2m_identity)))  in __set_phys_to_machine()