cold_walk_ops     473 mm/madvise.c   static const struct mm_walk_ops cold_walk_ops = {
cold_walk_ops     487 mm/madvise.c   	walk_page_range(vma->vm_mm, addr, end, &cold_walk_ops, &walk_private);
cold_walk_ops     520 mm/madvise.c   	walk_page_range(vma->vm_mm, addr, end, &cold_walk_ops, &walk_private);