zend_mm_page_map  158 Zend/zend_alloc.c typedef zend_mm_bitset zend_mm_page_map[ZEND_MM_PAGE_MAP_LEN];     /* 64B */
zend_mm_page_map  295 Zend/zend_alloc.c 	zend_mm_page_map   free_map;                /* 512 bits or 64 bytes */