huge_pte_alloc
pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
dst_pte = huge_pte_alloc(dst, dst_vma, addr, sz);
dst_pte = huge_pte_alloc(mm, new_vma, new_addr, sz);
vmf.pte = huge_pte_alloc(mm, vma, vmf.address, huge_page_size(h));
ptep = huge_pte_alloc(mm, vma, address, psize);
dst_pte = huge_pte_alloc(dst_mm, dst_vma, dst_addr, vma_hpagesize);