74 static void split_pmd(pmd_t *pmd, pte_t *pte)  in split_pmd()  argument
76 	unsigned long pfn = pmd_pfn(*pmd);  in split_pmd()
89 static void alloc_init_pte(pmd_t *pmd, unsigned long addr,  in alloc_init_pte()  argument
96 	if (pmd_none(*pmd) || pmd_sect(*pmd)) {  in alloc_init_pte()
98 		if (pmd_sect(*pmd))  in alloc_init_pte()
99 			split_pmd(pmd, pte);  in alloc_init_pte()
100 		__pmd_populate(pmd, __pa(pte), PMD_TYPE_TABLE);  in alloc_init_pte()
103 	BUG_ON(pmd_bad(*pmd));  in alloc_init_pte()
105 	pte = pte_offset_kernel(pmd, addr);  in alloc_init_pte()
112 void split_pud(pud_t *old_pud, pmd_t *pmd)  in split_pud()  argument
119 		set_pmd(pmd, __pmd(addr | prot));  in split_pud()
121 	} while (pmd++, i++, i < PTRS_PER_PMD);  in split_pud()
129 	pmd_t *pmd;  in alloc_init_pmd()  local
136 		pmd = alloc(PTRS_PER_PMD * sizeof(pmd_t));  in alloc_init_pmd()
142 			split_pud(pud, pmd);  in alloc_init_pmd()
144 		pud_populate(mm, pud, pmd);  in alloc_init_pmd()
149 	pmd = pmd_offset(pud, addr);  in alloc_init_pmd()
154 			pmd_t old_pmd =*pmd;  in alloc_init_pmd()
155 			set_pmd(pmd, __pmd(phys |  in alloc_init_pmd()
170 			alloc_init_pte(pmd, addr, next, __phys_to_pfn(phys),  in alloc_init_pmd()
174 	} while (pmd++, addr = next, addr != end);  in alloc_init_pmd()
483 	pmd_t *pmd;  in kern_addr_valid()  local
500 	pmd = pmd_offset(pud, addr);  in kern_addr_valid()
501 	if (pmd_none(*pmd))  in kern_addr_valid()
504 	if (pmd_sect(*pmd))  in kern_addr_valid()
505 		return pfn_valid(pmd_pfn(*pmd));  in kern_addr_valid()
507 	pte = pte_offset_kernel(pmd, addr);  in kern_addr_valid()
526 	pmd_t *pmd;  in vmemmap_populate()  local
539 		pmd = pmd_offset(pud, addr);  in vmemmap_populate()
540 		if (pmd_none(*pmd)) {  in vmemmap_populate()
547 			set_pmd(pmd, __pmd(__pa(p) | PROT_SECT_NORMAL));  in vmemmap_populate()
549 			vmemmap_verify((pte_t *)pmd, node, addr, next);  in vmemmap_populate()
588 	pmd_t *pmd = fixmap_pmd(addr);  in fixmap_pte()  local
590 	BUG_ON(pmd_none(*pmd) || pmd_bad(*pmd));  in fixmap_pte()
592 	return pte_offset_kernel(pmd, addr);  in fixmap_pte()
599 	pmd_t *pmd;  in early_fixmap_init()  local
606 	pmd = pmd_offset(pud, addr);  in early_fixmap_init()
607 	pmd_populate_kernel(&init_mm, pmd, bm_pte);  in early_fixmap_init()
616 	if ((pmd != fixmap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)))  in early_fixmap_init()
617 	     || pmd != fixmap_pmd(fix_to_virt(FIX_BTMAP_END))) {  in early_fixmap_init()
620 			pmd, fixmap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)),  in early_fixmap_init()