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
512 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);  in mlock_fixup()
513 	*prev = vma_merge(mm, *prev, start, end, newflags, vma->anon_vma,  in mlock_fixup()
521 	if (start != vma->vm_start) {  in mlock_fixup()
522 		ret = split_vma(mm, vma, start, 1);  in mlock_fixup()
537 	nr_pages = (end - start) >> PAGE_SHIFT;  in mlock_fixup()
551 		munlock_vma_pages_range(vma, start, end);  in mlock_fixup()
558 static int apply_vma_lock_flags(unsigned long start, size_t len,  in apply_vma_lock_flags()  argument
565 	VM_BUG_ON(offset_in_page(start));  in apply_vma_lock_flags()
567 	end = start + len;  in apply_vma_lock_flags()
568 	if (end < start)  in apply_vma_lock_flags()
570 	if (end == start)  in apply_vma_lock_flags()
572 	vma = find_vma(current->mm, start);  in apply_vma_lock_flags()
573 	if (!vma || vma->vm_start > start)  in apply_vma_lock_flags()
577 	if (start > vma->vm_start)  in apply_vma_lock_flags()
580 	for (nstart = start ; ; ) {  in apply_vma_lock_flags()
607 static int do_mlock(unsigned long start, size_t len, vm_flags_t flags)  in do_mlock()  argument
618 	len = PAGE_ALIGN(len + (offset_in_page(start)));  in do_mlock()
619 	start &= PAGE_MASK;  in do_mlock()
631 		error = apply_vma_lock_flags(start, len, flags);  in do_mlock()
637 	error = __mm_populate(start, len, 0);  in do_mlock()
643 SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)  in SYSCALL_DEFINE2()  argument
645 	return do_mlock(start, len, VM_LOCKED);  in SYSCALL_DEFINE2()
648 SYSCALL_DEFINE3(mlock2, unsigned long, start, size_t, len, int, flags)  in SYSCALL_DEFINE3()  argument
658 	return do_mlock(start, len, vm_flags);  in SYSCALL_DEFINE3()
661 SYSCALL_DEFINE2(munlock, unsigned long, start, size_t, len)  in SYSCALL_DEFINE2()  argument
665 	len = PAGE_ALIGN(len + (offset_in_page(start)));  in SYSCALL_DEFINE2()
666 	start &= PAGE_MASK;  in SYSCALL_DEFINE2()
669 	ret = apply_vma_lock_flags(start, len, 0);  in SYSCALL_DEFINE2()