> -#define L1_CACHE_BYTES L2_CACHE_BYTES> +#define L1_CACHE_SHIFT L2_CACHE_SHIFT> +#define L1_CACHE_BYTES (1 << L2_CACHE_SHIFT)Nitpick: the last line could better be:+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)Reviewed-by: Fengguang Wu <fengguang.wu@intel.com>Thanks!