vmlpt_bits 346 arch/ia64/mm/init.c if ((mapped_space_bits - PAGE_SHIFT > vmlpt_bits - pte_bits) || vmlpt_bits 354 arch/ia64/mm/init.c pta = POW2(61) - POW2(vmlpt_bits); vmlpt_bits 362 arch/ia64/mm/init.c ia64_set_pta(pta | (0 << 8) | (vmlpt_bits << 2) | VHPT_ENABLE_BIT);