80 static void split_pmd(pmd_t *pmd, pte_t *pte)  in split_pmd()  argument
82 	unsigned long pfn = pmd_pfn(*pmd);  in split_pmd()
95 static void alloc_init_pte(pmd_t *pmd, unsigned long addr,  in alloc_init_pte()  argument
102 	if (pmd_none(*pmd) || pmd_sect(*pmd)) {  in alloc_init_pte()
104 		if (pmd_sect(*pmd))  in alloc_init_pte()
105 			split_pmd(pmd, pte);  in alloc_init_pte()
106 		__pmd_populate(pmd, __pa(pte), PMD_TYPE_TABLE);  in alloc_init_pte()
109 	BUG_ON(pmd_bad(*pmd));  in alloc_init_pte()
111 	pte = pte_offset_kernel(pmd, addr);  in alloc_init_pte()
118 static void split_pud(pud_t *old_pud, pmd_t *pmd)  in split_pud()  argument
125 		set_pmd(pmd, __pmd(addr | pgprot_val(prot)));  in split_pud()
127 	} while (pmd++, i++, i < PTRS_PER_PMD);  in split_pud()
135 	pmd_t *pmd;  in alloc_init_pmd()  local
142 		pmd = alloc(PTRS_PER_PMD * sizeof(pmd_t));  in alloc_init_pmd()
148 			split_pud(pud, pmd);  in alloc_init_pmd()
150 		pud_populate(mm, pud, pmd);  in alloc_init_pmd()
155 	pmd = pmd_offset(pud, addr);  in alloc_init_pmd()
160 			pmd_t old_pmd =*pmd;  in alloc_init_pmd()
161 			set_pmd(pmd, __pmd(phys |  in alloc_init_pmd()
176 			alloc_init_pte(pmd, addr, next, __phys_to_pfn(phys),  in alloc_init_pmd()
180 	} while (pmd++, addr = next, addr != end);  in alloc_init_pmd()
478 	pmd_t *pmd;  in kern_addr_valid()  local
495 	pmd = pmd_offset(pud, addr);  in kern_addr_valid()
496 	if (pmd_none(*pmd))  in kern_addr_valid()
499 	if (pmd_sect(*pmd))  in kern_addr_valid()
500 		return pfn_valid(pmd_pfn(*pmd));  in kern_addr_valid()
502 	pte = pte_offset_kernel(pmd, addr);  in kern_addr_valid()
521 	pmd_t *pmd;  in vmemmap_populate()  local
534 		pmd = pmd_offset(pud, addr);  in vmemmap_populate()
535 		if (pmd_none(*pmd)) {  in vmemmap_populate()
542 			set_pmd(pmd, __pmd(__pa(p) | PROT_SECT_NORMAL));  in vmemmap_populate()
544 			vmemmap_verify((pte_t *)pmd, node, addr, next);  in vmemmap_populate()
583 	pmd_t *pmd = fixmap_pmd(addr);  in fixmap_pte()  local
585 	BUG_ON(pmd_none(*pmd) || pmd_bad(*pmd));  in fixmap_pte()
587 	return pte_offset_kernel(pmd, addr);  in fixmap_pte()
594 	pmd_t *pmd;  in early_fixmap_init()  local
601 	pmd = pmd_offset(pud, addr);  in early_fixmap_init()
602 	pmd_populate_kernel(&init_mm, pmd, bm_pte);  in early_fixmap_init()
611 	if ((pmd != fixmap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)))  in early_fixmap_init()
612 	     || pmd != fixmap_pmd(fix_to_virt(FIX_BTMAP_END))) {  in early_fixmap_init()
615 			pmd, fixmap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)),  in early_fixmap_init()