19 static inline void remap_area_pte(pte_t * pte, unsigned long address,  in remap_area_pte()  argument
27 	address &= ~PMD_MASK;  in remap_area_pte()
28 	end = address + size;  in remap_area_pte()
31 	BUG_ON(address >= end);  in remap_area_pte()
39 		address += PAGE_SIZE;  in remap_area_pte()
42 	} while (address && (address < end));  in remap_area_pte()
45 static inline int remap_area_pmd(pmd_t * pmd, unsigned long address,  in remap_area_pmd()  argument
50 	address &= ~PGDIR_MASK;  in remap_area_pmd()
51 	end = address + size;  in remap_area_pmd()
54 	phys_addr -= address;  in remap_area_pmd()
55 	BUG_ON(address >= end);  in remap_area_pmd()
57 		pte_t * pte = pte_alloc_kernel(pmd, address);  in remap_area_pmd()
60 		remap_area_pte(pte, address, end - address, address + phys_addr, flags);  in remap_area_pmd()
61 		address = (address + PMD_SIZE) & PMD_MASK;  in remap_area_pmd()
63 	} while (address && (address < end));  in remap_area_pmd()
67 static int remap_area_pages(unsigned long address, phys_addr_t phys_addr,  in remap_area_pages()  argument
72 	unsigned long end = address + size;  in remap_area_pages()
74 	phys_addr -= address;  in remap_area_pages()
75 	dir = pgd_offset(&init_mm, address);  in remap_area_pages()
77 	BUG_ON(address >= end);  in remap_area_pages()
83 		pud = pud_alloc(&init_mm, dir, address);  in remap_area_pages()
86 		pmd = pmd_alloc(&init_mm, pud, address);  in remap_area_pages()
89 		if (remap_area_pmd(pmd, address, end - address,  in remap_area_pages()
90 					 phys_addr + address, flags))  in remap_area_pages()
93 		address = (address + PGDIR_SIZE) & PGDIR_MASK;  in remap_area_pages()
95 	} while (address && (address < end));  in remap_area_pages()