if (pgd_none(*dir)) 
if (pud_none(*dir)) 
static inline pte_t *hugepte_offset(pgd_t *dir, unsigned long addr){	int index;	if (pgd_none(*dir))		return NULL;	index = (addr >> HPAGE_SHIFT) % PTRS_PER_HUGEPTE;	return (pte_t *)pgd_page(*dir) + index;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/58366af5861eee1479426380e3c91ecb334c301d/hugetlbpage.c/buggy/arch/ppc64/mm/hugetlbpage.c