ZEND_MM_SRUN_FREE_COUNTER_OFFSET  178 Zend/zend_alloc.c #define ZEND_MM_SRUN_FREE_COUNTER(info)  (((info) & ZEND_MM_SRUN_FREE_COUNTER_MASK) >> ZEND_MM_SRUN_FREE_COUNTER_OFFSET)
ZEND_MM_SRUN_FREE_COUNTER_OFFSET  184 Zend/zend_alloc.c #define ZEND_MM_SRUN_EX(bin_num, count)  (ZEND_MM_IS_SRUN | ((bin_num) << ZEND_MM_SRUN_BIN_NUM_OFFSET) | ((count) << ZEND_MM_SRUN_FREE_COUNTER_OFFSET))