-#define TO_FREE_SIZE ( 10 )
-#define TOTAL_FREE_BLOCKS ( 50 * FAPI_MAX_PHY_INSTANCES) /* To hold both send and recv blocks on PHY side wls */
+#define TO_FREE_SIZE ( 5 )
+#define TO_FREE_SIZE_URLLC ( MAX_NUM_OF_SYMBOL_PER_SLOT * TO_FREE_SIZE ) // TR 38.912 8.1 mini-slot may be 1 symbol long
+#define TOTAL_FREE_BLOCKS ( 100 * FAPI_MAX_PHY_INSTANCES) /* To hold both send and recv blocks on PHY side wls */