ZEND_MM_ALIGNED_FREE_HEADER_SIZE 516 Zend/zend_alloc.c #define ZEND_MM_ALIGNED_MIN_HEADER_SIZE (ZEND_MM_MIN_ALLOC_BLOCK_SIZE>ZEND_MM_ALIGNED_FREE_HEADER_SIZE?ZEND_MM_MIN_ALLOC_BLOCK_SIZE:ZEND_MM_ALIGNED_FREE_HEADER_SIZE) ZEND_MM_ALIGNED_FREE_HEADER_SIZE 1003 Zend/zend_alloc.c printf("ZEND_MM_ALIGNED_FREE_HEADER_SIZE=%d\n", ZEND_MM_ALIGNED_FREE_HEADER_SIZE);