All symbols starting with `w' in kern

• wait_hash kern/sched_prim.c:190
• wait_queue kern/sched_prim.c:186
• wait_queue_init kern/sched_prim.c:193
• wait_shift kern/sched_prim.c:1044
• walking_zombie kern/thread.c:1218
• while kern/netport_tcp.c:811