pmap_pvlist_lock_addr
kmutex_t *pmap_pvlist_lock_addr(struct vm_page_md *);
kmutex_t *pmap_pvlist_lock_addr(struct vm_page_md *);
mutex_spin_enter(pmap_pvlist_lock_addr(mdpg));
mutex_spin_exit(pmap_pvlist_lock_addr(mdpg));
return mutex_owned(pmap_pvlist_lock_addr(mdpg));