39 		unsigned long addr, unsigned long end, pgprot_t newprot,  in change_pte_range()  argument
61 	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);  in change_pte_range()
83 				page = vm_normal_page(vma, addr, oldpte);  in change_pte_range()
112 			oldpte = ptep_modify_prot_start(vma, addr, pte);  in change_pte_range()
123 			ptep_modify_prot_commit(vma, addr, pte, oldpte, ptent);  in change_pte_range()
138 				set_pte_at(vma->vm_mm, addr, pte, newpte);  in change_pte_range()
152 				set_pte_at(vma->vm_mm, addr, pte, newpte);  in change_pte_range()
157 	} while (pte++, addr += PAGE_SIZE, addr != end);  in change_pte_range()
165 		pud_t *pud, unsigned long addr, unsigned long end,  in change_pmd_range()  argument
176 	pmd = pmd_offset(pud, addr);  in change_pmd_range()
180 		next = pmd_addr_end(addr, end);  in change_pmd_range()
189 				vma, vma->vm_mm, addr, end);  in change_pmd_range()
194 			if (next - addr != HPAGE_PMD_SIZE) {  in change_pmd_range()
195 				__split_huge_pmd(vma, pmd, addr, false, NULL);  in change_pmd_range()
197 				int nr_ptes = change_huge_pmd(vma, pmd, addr,  in change_pmd_range()
212 		this_pages = change_pte_range(vma, pmd, addr, next, newprot,  in change_pmd_range()
217 	} while (pmd++, addr = next, addr != end);  in change_pmd_range()
228 		p4d_t *p4d, unsigned long addr, unsigned long end,  in change_pud_range()  argument
235 	pud = pud_offset(p4d, addr);  in change_pud_range()
237 		next = pud_addr_end(addr, end);  in change_pud_range()
240 		pages += change_pmd_range(vma, pud, addr, next, newprot,  in change_pud_range()
242 	} while (pud++, addr = next, addr != end);  in change_pud_range()
248 		pgd_t *pgd, unsigned long addr, unsigned long end,  in change_p4d_range()  argument
255 	p4d = p4d_offset(pgd, addr);  in change_p4d_range()
257 		next = p4d_addr_end(addr, end);  in change_p4d_range()
260 		pages += change_pud_range(vma, p4d, addr, next, newprot,  in change_p4d_range()
262 	} while (p4d++, addr = next, addr != end);  in change_p4d_range()
268 		unsigned long addr, unsigned long end, pgprot_t newprot,  in change_protection_range()  argument
274 	unsigned long start = addr;  in change_protection_range()
277 	BUG_ON(addr >= end);  in change_protection_range()
278 	pgd = pgd_offset(mm, addr);  in change_protection_range()
279 	flush_cache_range(vma, addr, end);  in change_protection_range()
282 		next = pgd_addr_end(addr, end);  in change_protection_range()
285 		pages += change_p4d_range(vma, pgd, addr, next, newprot,  in change_protection_range()
287 	} while (pgd++, addr = next, addr != end);  in change_protection_range()
311 static int prot_none_pte_entry(pte_t *pte, unsigned long addr,  in prot_none_pte_entry()  argument
319 				   unsigned long addr, unsigned long next,  in prot_none_hugetlb_entry()  argument
326 static int prot_none_test(unsigned long addr, unsigned long next,  in prot_none_test()  argument