NPDPG
#define NKL1_MAX_ENTRIES (unsigned long)(NKL2_MAX_ENTRIES * NPDPG)
memcpy(&L2[L2_SLOT_KERN + NPDPG], &L2[L2_SLOT_KERN], PAGE_SIZE);
cpu_info_primary.ci_kpm_pdir = &L2[L2_SLOT_KERN + NPDPG];