PMAP_LOCK
#define PMAP_LOCK(pmap) mutex_enter(pmap_pmap_lock(pmap))
#define PMAP_LOCK(pmap) mutex_enter(&(pmap)->pm_mtx)
#define PMAP_LOCK() KERNEL_LOCK(1, NULL)
#define PMAP_LOCK() mutex_enter(&pmap_lock)
#define PMAP_LOCK mutex_spin_enter(&pmap_lock);
#define PMAP_LOCK