H_PGD_INDEX_SIZE
#define H_PGD_TABLE_SIZE (sizeof(pgd_t) << H_PGD_INDEX_SIZE)
H_PUD_INDEX_SIZE + H_PGD_INDEX_SIZE + PAGE_SHIFT)
(H_PGD_INDEX_SIZE == H_PUD_CACHE_INDEX)
#define MAX_PTRS_PER_PGD (1 << (H_PGD_INDEX_SIZE > RADIX_PGD_INDEX_SIZE ? \
H_PGD_INDEX_SIZE : RADIX_PGD_INDEX_SIZE))
__pgd_index_size = H_PGD_INDEX_SIZE;