All symbols starting with `t' in vm

• thread_block vm/vm_glue.c:540
• thread_sleep vm/vm_glue.c:550
• thread_t vm/kern_lock.c:76
• thread_wakeup vm/vm_glue.c:568
• timestamp vm/vm_map.h:139
• TRUE vm/vm_object.c:1000
• trunc_page vm/vm_param.h:141