#define TQ_SLEEP KM_SLEEP /* Can block for memory */
#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
+#define TQ_PUSHPAGE KM_PUSHPAGE /* Cannot perform I/O */
#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
#define TQ_FRONT 0x08 /* Queue in front */