Pull cpumask into release branch

arch/ia64/include/asm/mmu_context.h

arch/ia64/include/asm/smp.h

arch/ia64/include/asm/topology.h

arch/ia64/kernel/acpi.c

arch/ia64/kernel/mca.c

arch/ia64/kernel/perfmon.c

arch/ia64/kernel/salinfo.c

arch/ia64/kernel/setup.c

arch/ia64/kernel/smp.c

arch/ia64/kernel/smpboot.c

arch/ia64/mm/tlb.c

arch/ia64/sn/kernel/setup.c

arch/ia64/sn/kernel/sn2/sn2_smp.c

arch/ia64/sn/kernel/sn2/sn_hwperf.c