555 static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev,  in mlock_fixup()  argument
569 	*prev = vma_merge(mm, *prev, start, end, newflags, vma->anon_vma,  in mlock_fixup()
572 	if (*prev) {  in mlock_fixup()
573 		vma = *prev;  in mlock_fixup()
610 	*prev = vma;  in mlock_fixup()
617 	struct vm_area_struct * vma, * prev;  in do_mlock()  local
631 	prev = vma->vm_prev;  in do_mlock()
633 		prev = vma;  in do_mlock()
647 		error = mlock_fixup(vma, &prev, nstart, tmp, newflags);  in do_mlock()
651 		if (nstart < prev->vm_end)  in do_mlock()
652 			nstart = prev->vm_end;  in do_mlock()
656 		vma = prev->vm_next;  in do_mlock()
776 	struct vm_area_struct * vma, * prev = NULL;  in do_mlockall()  local
785 	for (vma = current->mm->mmap; vma ; vma = prev->vm_next) {  in do_mlockall()
793 		mlock_fixup(vma, &prev, vma->vm_start, vma->vm_end, newflags);  in do_mlockall()