static int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
		     unsigned long addr, pmd_t *pmdp)
{
	BUG();
	return 0;
}
static int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
		     unsigned long addr, pmd_t *pmdp)
{
	BUG();
	return 0;
}