pmap_l0_index
l0_idx = pmap_l0_index(va);
for (sva = 0xffff000000000000ul, i = pmap_l0_index(sva); i < Ln_ENTRIES;
if (i == pmap_l0_index(DMAP_MIN_ADDRESS))
else if (i == pmap_l0_index(VM_MIN_KERNEL_ADDRESS))
else if (i == pmap_l0_index(KASAN_MIN_ADDRESS))
else if (i == pmap_l0_index(KMSAN_SHAD_MIN_ADDRESS))
else if (i == pmap_l0_index(KMSAN_ORIG_MIN_ADDRESS))
return (&pmap->pm_l0[pmap_l0_index(va)]);
l0_slot = pmap_l0_index(state->va);
l0e = atomic_load_64(&l0[pmap_l0_index(va)]);
rv = atomic_cmpset_64(&l0[pmap_l0_index(va)], l0e, new_l0e);
l0e = atomic_load_64(&l0[pmap_l0_index(va)]);
i = pmap_l0_index(VM_MIN_KERNEL_ADDRESS);
return (&pmap->pm_top[pmap_l0_index(va)]);
slot = pmap_l0_index(KERNBASE);