222 	range.start = 0;  in change_pmd_range()
243 		if (!range.start) {  in change_pmd_range()
276 	if (range.start)  in change_pmd_range()
331 	unsigned long start = addr;  in change_protection_range()  local
348 		flush_tlb_range(vma, start, end);  in change_protection_range()
354 unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,  in change_protection()  argument
363 		pages = hugetlb_change_protection(vma, start, end, newprot);  in change_protection()
365 		pages = change_protection_range(vma, start, end, newprot,  in change_protection()
400 	unsigned long start, unsigned long end, unsigned long newflags)  in mprotect_fixup()  argument
404 	long nrpages = (end - start) >> PAGE_SHIFT;  in mprotect_fixup()
425 		error = walk_page_range(current->mm, start, end,  in mprotect_fixup()
454 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);  in mprotect_fixup()
455 	*pprev = vma_merge(mm, *pprev, start, end, newflags,  in mprotect_fixup()
466 	if (start != vma->vm_start) {  in mprotect_fixup()
467 		error = split_vma(mm, vma, start, 1);  in mprotect_fixup()
488 	change_protection(vma, start, end, vma->vm_page_prot,  in mprotect_fixup()
498 		populate_vma_page_range(vma, start, end, NULL);  in mprotect_fixup()
514 static int do_mprotect_pkey(unsigned long start, size_t len,  in do_mprotect_pkey()  argument
524 	start = untagged_addr(start);  in do_mprotect_pkey()
530 	if (start & ~PAGE_MASK)  in do_mprotect_pkey()
535 	end = start + len;  in do_mprotect_pkey()
536 	if (end <= start)  in do_mprotect_pkey()
538 	if (!arch_validate_prot(prot, start))  in do_mprotect_pkey()
554 	vma = find_vma(current->mm, start);  in do_mprotect_pkey()
562 		start = vma->vm_start;  in do_mprotect_pkey()
567 		if (vma->vm_start > start)  in do_mprotect_pkey()
576 	if (start > vma->vm_start)  in do_mprotect_pkey()
579 	for (nstart = start ; ; ) {  in do_mprotect_pkey()
643 SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,  in SYSCALL_DEFINE3()  argument
646 	return do_mprotect_pkey(start, len, prot, -1);  in SYSCALL_DEFINE3()
651 SYSCALL_DEFINE4(pkey_mprotect, unsigned long, start, size_t, len,  in SYSCALL_DEFINE4()  argument
654 	return do_mprotect_pkey(start, len, prot, pkey);  in SYSCALL_DEFINE4()