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()
383 			page = vm_normal_page(vma, start, *pte);  in __munlock_pagevec_fill()
422 void munlock_vma_pages_range(struct vm_area_struct *vma,  in munlock_vma_pages_range()  argument
425 	vma->vm_flags &= ~VM_LOCKED;  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()
498 static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev,  in mlock_fixup()  argument
501 	struct mm_struct *mm = vma->vm_mm;  in mlock_fixup()
507 	if (newflags == vma->vm_flags || (vma->vm_flags & VM_SPECIAL) ||  in mlock_fixup()
508 	    is_vm_hugetlb_page(vma) || vma == get_gate_vma(current->mm))  in mlock_fixup()
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()
513 			  vma->vm_file, pgoff, vma_policy(vma));  in mlock_fixup()
515 		vma = *prev;  in mlock_fixup()
519 	if (start != vma->vm_start) {  in mlock_fixup()
520 		ret = split_vma(mm, vma, start, 1);  in mlock_fixup()
525 	if (end != vma->vm_end) {  in mlock_fixup()
526 		ret = split_vma(mm, vma, end, 0);  in mlock_fixup()
547 		vma->vm_flags = newflags;  in mlock_fixup()
549 		munlock_vma_pages_range(vma, start, end);  in mlock_fixup()
552 	*prev = vma;  in mlock_fixup()
559 	struct vm_area_struct * vma, * prev;  in do_mlock()  local
569 	vma = find_vma(current->mm, start);  in do_mlock()
570 	if (!vma || vma->vm_start > start)  in do_mlock()
573 	prev = vma->vm_prev;  in do_mlock()
574 	if (start > vma->vm_start)  in do_mlock()
575 		prev = vma;  in do_mlock()
582 		newflags = vma->vm_flags & ~VM_LOCKED;  in do_mlock()
586 		tmp = vma->vm_end;  in do_mlock()
589 		error = mlock_fixup(vma, &prev, nstart, tmp, newflags);  in do_mlock()
598 		vma = prev->vm_next;  in do_mlock()
599 		if (!vma || vma->vm_start != nstart) {  in do_mlock()
659 	struct vm_area_struct * vma, * prev = NULL;  in do_mlockall()  local
668 	for (vma = current->mm->mmap; vma ; vma = prev->vm_next) {  in do_mlockall()
671 		newflags = vma->vm_flags & ~VM_LOCKED;  in do_mlockall()
676 		mlock_fixup(vma, &prev, vma->vm_start, vma->vm_end, newflags);  in do_mlockall()