Typedefs starting with `m' in osfmk/kern

• mach_counter_t osfmk/kern/counters.h:165
• mach_trap_t osfmk/kern/syscall_sw.h:73
• meta_priority_t osfmk/kern/sf.h:223
• mig_hash_t osfmk/kern/ipc_kobject.c:116
• mk_sp_info_t osfmk/kern/mk_sp.h:229
• mk_sp_state_t osfmk/kern/mk_sp.h:195
• mpqueue_head_t osfmk/kern/queue.h:589
• mutex_t osfmk/kern/lock.h:148