H_PMD_INDEX_SIZE
#define H_PMD_TABLE_SIZE (sizeof(pmd_t) << H_PMD_INDEX_SIZE)
#define H_PMD_FRAG_SIZE_SHIFT (H_PMD_INDEX_SIZE + 3)
#define H_PMD_FRAG_SIZE_SHIFT (H_PMD_INDEX_SIZE + 3 + 1)
#define H_PMD_FRAG_SIZE_SHIFT (H_PMD_INDEX_SIZE + 3)
#define H_PTRS_PER_PMD (1 << H_PMD_INDEX_SIZE)
#define H_PGTABLE_EADDR_SIZE (H_PTE_INDEX_SIZE + H_PMD_INDEX_SIZE + \
__pmd_index_size = H_PMD_INDEX_SIZE;