6 static int walk_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,  in walk_pte_range()  argument
12 	pte = pte_offset_map(pmd, addr);  in walk_pte_range()
14 		err = walk->pte_entry(pte, addr, addr + PAGE_SIZE, walk);  in walk_pte_range()
17 		addr += PAGE_SIZE;  in walk_pte_range()
18 		if (addr == end)  in walk_pte_range()
27 static int walk_pmd_range(pud_t *pud, unsigned long addr, unsigned long end,  in walk_pmd_range()  argument
34 	pmd = pmd_offset(pud, addr);  in walk_pmd_range()
37 		next = pmd_addr_end(addr, end);  in walk_pmd_range()
40 				err = walk->pte_hole(addr, next, walk);  in walk_pmd_range()
50 			err = walk->pmd_entry(pmd, addr, next, walk);  in walk_pmd_range()
61 		split_huge_page_pmd_mm(walk->mm, addr, pmd);  in walk_pmd_range()
64 		err = walk_pte_range(pmd, addr, next, walk);  in walk_pmd_range()
67 	} while (pmd++, addr = next, addr != end);  in walk_pmd_range()
72 static int walk_pud_range(pgd_t *pgd, unsigned long addr, unsigned long end,  in walk_pud_range()  argument
79 	pud = pud_offset(pgd, addr);  in walk_pud_range()
81 		next = pud_addr_end(addr, end);  in walk_pud_range()
84 				err = walk->pte_hole(addr, next, walk);  in walk_pud_range()
90 			err = walk_pmd_range(pud, addr, next, walk);  in walk_pud_range()
93 	} while (pud++, addr = next, addr != end);  in walk_pud_range()
98 static int walk_pgd_range(unsigned long addr, unsigned long end,  in walk_pgd_range()  argument
105 	pgd = pgd_offset(walk->mm, addr);  in walk_pgd_range()
107 		next = pgd_addr_end(addr, end);  in walk_pgd_range()
110 				err = walk->pte_hole(addr, next, walk);  in walk_pgd_range()
116 			err = walk_pud_range(pgd, addr, next, walk);  in walk_pgd_range()
119 	} while (pgd++, addr = next, addr != end);  in walk_pgd_range()
125 static unsigned long hugetlb_entry_end(struct hstate *h, unsigned long addr,  in hugetlb_entry_end()  argument
128 	unsigned long boundary = (addr & huge_page_mask(h)) + huge_page_size(h);  in hugetlb_entry_end()
132 static int walk_hugetlb_range(unsigned long addr, unsigned long end,  in walk_hugetlb_range()  argument
143 		next = hugetlb_entry_end(h, addr, end);  in walk_hugetlb_range()
144 		pte = huge_pte_offset(walk->mm, addr & hmask);  in walk_hugetlb_range()
146 			err = walk->hugetlb_entry(pte, hmask, addr, next, walk);  in walk_hugetlb_range()
149 	} while (addr = next, addr != end);  in walk_hugetlb_range()
155 static int walk_hugetlb_range(unsigned long addr, unsigned long end,  in walk_hugetlb_range()  argument