331 	pmd_t *pmd;  in lookup_address_in_pgd()  local
346 	pmd = pmd_offset(pud, address);  in lookup_address_in_pgd()
347 	if (pmd_none(*pmd))  in lookup_address_in_pgd()
351 	if (pmd_large(*pmd) || !pmd_present(*pmd))  in lookup_address_in_pgd()
352 		return (pte_t *)pmd;  in lookup_address_in_pgd()
356 	return pte_offset_kernel(pmd, address);  in lookup_address_in_pgd()
462 			pmd_t *pmd;  in __set_pmd_pte()  local
466 			pmd = pmd_offset(pud, address);  in __set_pmd_pte()
467 			set_pte_atomic((pte_t *)pmd, pte);  in __set_pmd_pte()
738 static bool try_to_free_pmd_page(pmd_t *pmd)  in try_to_free_pmd_page()  argument
743 		if (!pmd_none(pmd[i]))  in try_to_free_pmd_page()
746 	free_page((unsigned long)pmd);  in try_to_free_pmd_page()
762 static bool unmap_pte_range(pmd_t *pmd, unsigned long start, unsigned long end)  in unmap_pte_range()  argument
764 	pte_t *pte = pte_offset_kernel(pmd, start);  in unmap_pte_range()
773 	if (try_to_free_pte_page((pte_t *)pmd_page_vaddr(*pmd))) {  in unmap_pte_range()
774 		pmd_clear(pmd);  in unmap_pte_range()
780 static void __unmap_pmd_range(pud_t *pud, pmd_t *pmd,  in __unmap_pmd_range()  argument
783 	if (unmap_pte_range(pmd, start, end))  in __unmap_pmd_range()
790 	pmd_t *pmd = pmd_offset(pud, start);  in unmap_pmd_range()  local
799 		__unmap_pmd_range(pud, pmd, start, pre_end);  in unmap_pmd_range()
802 		pmd++;  in unmap_pmd_range()
809 		if (pmd_large(*pmd))  in unmap_pmd_range()
810 			pmd_clear(pmd);  in unmap_pmd_range()
812 			__unmap_pmd_range(pud, pmd, start, start + PMD_SIZE);  in unmap_pmd_range()
815 		pmd++;  in unmap_pmd_range()
822 		return __unmap_pmd_range(pud, pmd, start, end);  in unmap_pmd_range()
885 static int alloc_pte_page(pmd_t *pmd)  in alloc_pte_page()  argument
891 	set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE));  in alloc_pte_page()
897 	pmd_t *pmd = (pmd_t *)get_zeroed_page(GFP_KERNEL | __GFP_NOTRACK);  in alloc_pmd_page()  local
898 	if (!pmd)  in alloc_pmd_page()
901 	set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE));  in alloc_pmd_page()
907 			 unsigned num_pages, pmd_t *pmd, pgprot_t pgprot)  in populate_pte()  argument
911 	pte = pte_offset_kernel(pmd, start);  in populate_pte()
932 	pmd_t *pmd;  in populate_pmd()  local
949 		pmd = pmd_offset(pud, start);  in populate_pmd()
950 		if (pmd_none(*pmd))  in populate_pmd()
951 			if (alloc_pte_page(pmd))  in populate_pmd()
954 		populate_pte(cpa, start, pre_end, cur_pages, pmd, pgprot);  in populate_pmd()
976 		pmd = pmd_offset(pud, start);  in populate_pmd()
978 		set_pmd(pmd, __pmd(cpa->pfn | _PAGE_PSE |  in populate_pmd()
990 		pmd = pmd_offset(pud, start);  in populate_pmd()
991 		if (pmd_none(*pmd))  in populate_pmd()
992 			if (alloc_pte_page(pmd))  in populate_pmd()
996 			     pmd, pgprot);  in populate_pmd()