On Fri, 4 Jun 2010, Giangiacomo Mariotti wrote: > [ 0.000000] found SMP MP-table at [ffff8800000f5ed0] f5ed0 SMP table is important. > [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x02] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x04] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x06] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x01] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x03] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x05] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x08] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x09] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x0a] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x0b] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x0c] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x0d] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x0e] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x0f] disabled) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x04] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x05] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x06] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x07] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x08] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x09] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0a] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0b] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0c] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0d] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0e] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0f] dfl dfl lint[0x1]) > [ 0.000000] ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) > [ 0.000000] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23 > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) > [ 0.000000] ACPI: IRQ0 used by override. > [ 0.000000] ACPI: IRQ2 used by override. > [ 0.000000] ACPI: IRQ9 used by override. > [ 0.000000] Using ACPI (MADT) for SMP configuration information > [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 > [ 0.000000] SMP: Allowing 16 CPUs, 8 hotplug CPUs ok so 24 cpus. 8 hotplug which should not work. > dff00000:14100000) > [ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 > nr_cpu_ids:16 nr_node_ids:1 And it only has 16 now. > [ 0.000000] SLUB: Genslabs=14, HWalign=64, Order=0-3, MinObjects=0, > CPUs=16, Nodes=1 And slub displays nr_cpu_ids again. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>