pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);  return pte;
return pgtable_quicklist_alloc();
pte_alloc_one_kernel (struct mm_struct *mm, unsigned long addr){	pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);	return pte;}