360 		struct vm_area_struct *vma, int zoneid,	unsigned long start,  in __munlock_pagevec_fill()  argument
371 	pte = get_locked_pte(vma->vm_mm, start,	&ptl);  in __munlock_pagevec_fill()
373 	end = pgd_addr_end(start, end);  in __munlock_pagevec_fill()
374 	end = pud_addr_end(start, end);  in __munlock_pagevec_fill()
375 	end = pmd_addr_end(start, end);  in __munlock_pagevec_fill()
378 	start += PAGE_SIZE;  in __munlock_pagevec_fill()
379 	while (start < end) {  in __munlock_pagevec_fill()
383 			page = vm_normal_page(vma, start, *pte);  in __munlock_pagevec_fill()
396 		start += PAGE_SIZE;  in __munlock_pagevec_fill()
401 	return start;  in __munlock_pagevec_fill()
423 			     unsigned long start, unsigned long end)  in munlock_vma_pages_range()  argument
427 	while (start < end) {  in munlock_vma_pages_range()
443 		page = follow_page_mask(vma, start, FOLL_GET | FOLL_DUMP,  in munlock_vma_pages_range()
474 				start = __munlock_pagevec_fill(&pvec, vma,  in munlock_vma_pages_range()
475 						zoneid, start, end);  in munlock_vma_pages_range()
481 		VM_BUG_ON((start >> PAGE_SHIFT) & page_mask);  in munlock_vma_pages_range()
483 		start += page_increm * PAGE_SIZE;  in munlock_vma_pages_range()
499 	unsigned long start, unsigned long end, vm_flags_t newflags)  in mlock_fixup()  argument
511 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);  in mlock_fixup()
512 	*prev = vma_merge(mm, *prev, start, end, newflags, vma->anon_vma,  in mlock_fixup()
519 	if (start != vma->vm_start) {  in mlock_fixup()
520 		ret = split_vma(mm, vma, start, 1);  in mlock_fixup()
535 	nr_pages = (end - start) >> PAGE_SHIFT;  in mlock_fixup()
549 		munlock_vma_pages_range(vma, start, end);  in mlock_fixup()
556 static int do_mlock(unsigned long start, size_t len, int on)  in do_mlock()  argument
562 	VM_BUG_ON(start & ~PAGE_MASK);  in do_mlock()
564 	end = start + len;  in do_mlock()
565 	if (end < start)  in do_mlock()
567 	if (end == start)  in do_mlock()
569 	vma = find_vma(current->mm, start);  in do_mlock()
570 	if (!vma || vma->vm_start > start)  in do_mlock()
574 	if (start > vma->vm_start)  in do_mlock()
577 	for (nstart = start ; ; ) {  in do_mlock()
607 SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)  in SYSCALL_DEFINE2()  argument
618 	len = PAGE_ALIGN(len + (start & ~PAGE_MASK));  in SYSCALL_DEFINE2()
619 	start &= PAGE_MASK;  in SYSCALL_DEFINE2()
631 		error = do_mlock(start, len, 1);  in SYSCALL_DEFINE2()
637 	error = __mm_populate(start, len, 0);  in SYSCALL_DEFINE2()
643 SYSCALL_DEFINE2(munlock, unsigned long, start, size_t, len)  in SYSCALL_DEFINE2()  argument
647 	len = PAGE_ALIGN(len + (start & ~PAGE_MASK));  in SYSCALL_DEFINE2()
648 	start &= PAGE_MASK;  in SYSCALL_DEFINE2()
651 	ret = do_mlock(start, len, 0);  in SYSCALL_DEFINE2()