All symbols starting with `t' in vm

• thread_block vm/vm_glue.c:509
• thread_sleep vm/vm_glue.c:518
• thread_t vm/kern_lock.c:76
• thread_wakeup vm/vm_glue.c:535
• timestamp vm/vm_map.h:144
• TRUE vm/vm_object.c:1040
• trunc_page vm/vm_param.h:133