-#define DEFAULT_KERNEL_OVERWRITE 0
-#define DEFAULT_KERNEL_SUBBUF_SIZE 4096 /* bytes */
-#define DEFAULT_KERNEL_SUBBUF_NUM 8 /* Must always be a power of 2 */
-#define DEFAULT_KERNEL_SWITCH_TIMER 0 /* usec */
-#define DEFAULT_KERNEL_READ_TIMER 200 /* usec */