NB_IN_PT1
pmap->pm_pt1 = kmem_alloc_contig(NB_IN_PT1,
M_NOWAIT | M_ZERO, 0, -1UL, NB_IN_PT1, 0, pt_memattr);
kmem_free(pmap->pm_pt1, NB_IN_PT1);
pte1_sync_range(pmap->pm_pt1, NB_IN_PT1);
CTASSERT(NB_IN_PT1 == (sizeof(pt1_entry_t) * NPTE1_IN_PT1));
CTASSERT(powerof2(NB_IN_PT1));
if (__predict_false(IN_RANGE2(far, pmap->pm_pt1, NB_IN_PT1))) {
bzero((void*)kern_pt1, NB_IN_PT1);
pte1_sync_range(kern_pt1, NB_IN_PT1);
#define NPG_IN_PT1 (NB_IN_PT1 / PAGE_SIZE)