Re: [PATCH 3/3] x86: fix node_possible_map logic -v2
From: Yinghai Lu
Date: Tue May 12 2009 - 19:31:50 EST
On Tue, May 12, 2009 at 4:13 PM, Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:
>
> will find one system that only have node1 has memory.
duplicated that ...
[ 0.000000] Linux version 2.6.30-rc5-tip-01542-g60b6b0b-dirty
(yhlu@linux-mstp) (gcc version 4.3.2 [gcc-4_3-branch revision 141291]
(SUSE Linux) ) #222 SMP Tue May 12 13:45:54 PDT 2009ing
kernel.org/mydisk13_x86_64.gz
[ 0.000000] Command line: console=uart8250,io,0x3f8,115200n8
initrd=kernel.org/mydisk13_x86_64.gz rw root=/dev/ram0 debug
unknown_nmi_panic initcall_debug apic=debug pci=routeirq,lastbus=255
ip=dhcp load_ramdisk=1 ramdisk_size=131072
BOOT_IMAGE=kernel.org/bzImage_2.6.30_k8.2
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Centaur CentaurHauls
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: 0000000000000000 - 0000000000099800 (usable)
[ 0.000000] BIOS-e820: 0000000000099800 - 00000000000a0000 (reserved)
[ 0.000000] BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 000000007ffa0000 (usable)
[ 0.000000] BIOS-e820: 000000007ffae000 - 000000007ffb0000 (usable)
[ 0.000000] BIOS-e820: 000000007ffb0000 - 000000007ffbe000 (ACPI data)
[ 0.000000] BIOS-e820: 000000007ffbe000 - 000000007fff0000 (ACPI NVS)
[ 0.000000] BIOS-e820: 000000007fff0000 - 0000000080000000 (reserved)
[ 0.000000] BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
[ 0.000000] BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
[ 0.000000] BIOS-e820: 00000000fee00000 - 00000000fef00000 (reserved)
[ 0.000000] BIOS-e820: 00000000ff700000 - 0000000100000000 (reserved)
[ 0.000000] Early serial console at I/O port 0x3f8 (options '115200n8')
[ 0.000000] console [uart0] enabled
[ 0.000000] DMI present.
[ 0.000000] last_pfn = 0x7ffb0 max_arch_pfn = 0x400000000
[ 0.000000] MTRR default type: uncachable
[ 0.000000] MTRR fixed ranges enabled:
[ 0.000000] 00000-9FFFF write-back
[ 0.000000] A0000-EFFFF uncachable
[ 0.000000] F0000-FFFFF write-protect
[ 0.000000] MTRR variable ranges enabled:
[ 0.000000] 0 base 000000000000 mask FFFF80000000 write-back
[ 0.000000] 1 disabled
[ 0.000000] 2 disabled
[ 0.000000] 3 disabled
[ 0.000000] 4 disabled
[ 0.000000] 5 disabled
[ 0.000000] 6 disabled
[ 0.000000] 7 disabled
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] initial memory mapped : 0 - 20000000
[ 0.000000] init_memory_mapping: 0000000000000000-000000007ffb0000
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] 0000000000 - 0040000000 page 1G
[ 0.000000] 0040000000 - 007fe00000 page 2M
[ 0.000000] 007fe00000 - 007ffb0000 page 4k
[ 0.000000] kernel direct mapping tables up to 7ffb0000 @ 8000-b000
[ 0.000000] RAMDISK: 7d901000 - 7ff7f439
[ 0.000000] ACPI: RSDP 00000000000fa570 00024 (v02 ACPIAM)
[ 0.000000] ACPI: XSDT 000000007ffb0100 00094 (v01 SUN X4x40
00000052 MSFT 00000097)
[ 0.000000] ACPI: FACP 000000007ffb0290 000F4 (v03 SUN X4x40
00000052 MSFT 00000097)
[ 0.000000] ACPI: DSDT 000000007ffb05d0 07EB4 (v01 SUN X4x40
00000052 INTL 20051117)
[ 0.000000] ACPI: FACS 000000007ffbe000 00040
[ 0.000000] ACPI: APIC 000000007ffb0390 000EC (v01 SUN X4x40
00000052 MSFT 00000097)
[ 0.000000] ACPI: SPCR 000000007ffb0480 00050 (v01 SUN X4x40
00000052 MSFT 00000097)
[ 0.000000] ACPI: MCFG 000000007ffb04d0 0003C (v01 SUN OEMMCFG
00000052 MSFT 00000097)
[ 0.000000] ACPI: SLIT 000000007ffb0510 00030 (v01 SUN OEMSLIT
00000052 MSFT 00000097)
[ 0.000000] ACPI: SPMI 000000007ffb0580 00041 (v01 SUN OEMSPMI
00000052 MSFT 00000097)
[ 0.000000] ACPI: OEMB 000000007ffbe040 000AE (v01 SUN X4x40
00000052 MSFT 00000097)
[ 0.000000] ACPI: SRAT 000000007ffb8490 00100 (v01 AMD FAM_F_10
00000002 AMD 00000001)
[ 0.000000] ACPI: HPET 000000007ffb8590 00038 (v01 SUN OEMHPET0
00000052 MSFT 00000097)
[ 0.000000] ACPI: EINJ 000000007ffb85d0 00130 (v01 AMIER AMI_EINJ
10000815 MSFT 00000097)
[ 0.000000] ACPI: BERT 000000007ffb8760 00030 (v01 AMIER AMI_BERT
10000815 MSFT 00000097)
[ 0.000000] ACPI: ERST 000000007ffb8790 001B0 (v01 AMIER AMI_ERST
10000815 MSFT 00000097)
[ 0.000000] ACPI: HEST 000000007ffb8940 000A8 (v01 AMIER AMI_HEST
10000815 MSFT 00000097)
[ 0.000000] ACPI: SSDT 000000007ffb89f0 010F4 (v01 A M I POWERNOW
00000001 AMD 00000001)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] SRAT: PXM 0 -> APIC 0 -> Node 0
[ 0.000000] SRAT: PXM 0 -> APIC 1 -> Node 0
[ 0.000000] SRAT: PXM 0 -> APIC 2 -> Node 0
[ 0.000000] SRAT: PXM 0 -> APIC 3 -> Node 0
[ 0.000000] SRAT: PXM 1 -> APIC 4 -> Node 1
[ 0.000000] SRAT: PXM 1 -> APIC 5 -> Node 1
[ 0.000000] SRAT: PXM 1 -> APIC 6 -> Node 1
[ 0.000000] SRAT: PXM 1 -> APIC 7 -> Node 1
[ 0.000000] SRAT: Node 1 PXM 1 0-a0000
[ 0.000000] Adding active range (1, 0x0, 0x99) 0 entries of 12800 used
[ 0.000000] SRAT: Node 1 PXM 1 100000-80000000
[ 0.000000] Adding active range (1, 0x100, 0x7ffa0) 1 entries of 12800 used
[ 0.000000] Adding active range (1, 0x7ffae, 0x7ffb0) 2 entries of 12800 used
[ 0.000000] ACPI: SLIT: nodes = 2
[ 0.000000] 10 13
[ 0.000000] 13 10
[ 0.000000] NUMA: Allocated memnodemap from a000 - b040
[ 0.000000] NUMA: Using 20 for the hash shift.
[ 0.000000] Bootmem setup node 1 0000000000000000-000000007ffb0000
[ 0.000000] NODE_DATA [000000000000b040 - 000000000001703f]
[ 0.000000] bootmap [0000000000018000 - 0000000000027ff7] pages 10
[ 0.000000] (9 early reservations) ==> bootmem [0000000000 - 007ffb0000]
[ 0.000000] #0 [0000000000 - 0000001000] BIOS data page ==>
[0000000000 - 0000001000]
[ 0.000000] #1 [0000006000 - 0000008000] TRAMPOLINE ==>
[0000006000 - 0000008000]
[ 0.000000] #2 [0000200000 - 00020ae6d8] TEXT DATA BSS ==>
[0000200000 - 00020ae6d8]
[ 0.000000] #3 [007d901000 - 007ff7f439] RAMDISK ==>
[007d901000 - 007ff7f439]
[ 0.000000] #4 [0000099400 - 0000100000] BIOS reserved ==>
[0000099400 - 0000100000]
[ 0.000000] #5 [00020af000 - 00020af308] BRK ==>
[00020af000 - 00020af308]
[ 0.000000] #6 [0000008000 - 000000a000] PGTABLE ==>
[0000008000 - 000000a000]
[ 0.000000] #7 [0000001000 - 0000001030] ACPI SLIT ==>
[0000001000 - 0000001030]
[ 0.000000] #8 [000000a000 - 000000b040] MEMNODEMAP ==>
[000000a000 - 000000b040]
[ 0.000000] Scan SMP from ffff880000000000 for 1024 bytes.
[ 0.000000] Scan SMP from ffff88000009fc00 for 1024 bytes.
[ 0.000000] Scan SMP from ffff8800000f0000 for 65536 bytes.
[ 0.000000] found SMP MP-table at [ffff8800000ff780] ff780
[ 0.000000] mpc: fc4e0-fc6e4
[ 0.000000] [ffffea0000000000-ffffea7fffffffff] PGD
->ffff8800024b2000 on node 1
[ 0.000000] [ffffea0000000000-ffffea003fffffff] PUD
->ffff8800024b3000 on node 1
[ 0.000000] [ffffea0000000000-ffffea00033fffff] PMD ->
[ffff880002600000-ffff8800059fffff] on node 1
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000000 -> 0x00001000
[ 0.000000] DMA32 0x00001000 -> 0x00100000
[ 0.000000] Normal 0x00100000 -> 0x00100000
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[3] active PFN ranges
[ 0.000000] 1: 0x00000000 -> 0x00000099
[ 0.000000] 1: 0x00000100 -> 0x0007ffa0
[ 0.000000] 1: 0x0007ffae -> 0x0007ffb0
[ 0.000000] On node 1 totalpages: 524091
[ 0.000000] DMA zone: 104 pages used for memmap
[ 0.000000] DMA zone: 108 pages reserved
[ 0.000000] DMA zone: 3781 pages, LIFO batch:0
[ 0.000000] DMA32 zone: 13206 pages used for memmap
[ 0.000000] DMA32 zone: 506892 pages, LIFO batch:31
[ 0.000000] ACPI: PM-Timer IO Port: 0xe008
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x04] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x05] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x06] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x07] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x88] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x89] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x8a] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x8b] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x8c] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x8d] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x8e] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x10] lapic_id[0x8f] disabled)
[ 0.000000] ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 8, version 0, address 0xfec00000, GSI 0-23
[ 0.000000] ACPI: IOAPIC (id[0x09] address[0xddfff000] gsi_base[24])
[ 0.000000] IOAPIC[1]: apic_id 9, version 0, address 0xddfff000, GSI 24-47
[ 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: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] ACPI: IRQ14 used by override.
[ 0.000000] ACPI: IRQ15 used by override.
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x10de8201 base: 0xfed00000
[ 0.000000] SMP: Allowing 16 CPUs, 8 hotplug CPUs
[ 0.000000] init_cpu_to_node:
[ 0.000000] cpu 0 -> apicid 0x0 -> node 1
[ 0.000000] cpu 1 -> apicid 0x1 -> node 1
[ 0.000000] cpu 2 -> apicid 0x2 -> node 1
[ 0.000000] cpu 3 -> apicid 0x3 -> node 1
[ 0.000000] cpu 4 -> apicid 0x4 -> node 1
[ 0.000000] cpu 5 -> apicid 0x5 -> node 1
[ 0.000000] cpu 6 -> apicid 0x6 -> node 1
[ 0.000000] cpu 7 -> apicid 0x7 -> node 1
[ 0.000000] cpu 8 -> apicid 0xffff -> node 1
[ 0.000000] cpu 9 -> apicid 0xffff -> node 1
[ 0.000000] cpu 10 -> apicid 0xffff -> node 1
[ 0.000000] cpu 11 -> apicid 0xffff -> node 1
[ 0.000000] cpu 12 -> apicid 0xffff -> node 1
[ 0.000000] cpu 13 -> apicid 0xffff -> node 1
[ 0.000000] cpu 14 -> apicid 0xffff -> node 1
[ 0.000000] cpu 15 -> apicid 0xffff -> node 1
[ 0.000000] mapped APIC to ffffffffff5fc000 (fee00000)
[ 0.000000] mapped IOAPIC to ffffffffff5fb000 (fec00000)
[ 0.000000] mapped IOAPIC to ffffffffff5fa000 (ddfff000)
[ 0.000000] nr_irqs_gsi: 48
[ 0.000000] Allocating PCI resources starting at 80000000 (gap:
80000000:60000000)
[ 0.000000] NR_CPUS:128 nr_cpumask_bits:128 nr_cpu_ids:16 nr_node_ids:2
[ 0.000000] PERCPU: Embedded 478 pages at ffff880005a00000, static
data 1925536 bytes
[ 0.000000] Pid: 0, comm: swapper Not tainted
2.6.30-rc5-tip-01542-g60b6b0b-dirty #222
[ 0.000000] Call Trace:
[ 0.000000] [<ffffffff813a9195>] early_idt_handler+0x55/0x68
[ 0.000000] [<ffffffff8030d607>] ? next_zones_zonelist+0x27/0x6a
[ 0.000000] [<ffffffff8030d5ed>] ? next_zones_zonelist+0xd/0x6a
[ 0.000000] [<ffffffff802fdc99>] nr_free_zone_pages+0x51/0xaa
[ 0.000000] [<ffffffff8030f7b2>] ? mminit_verify_zonelist+0x16/0x170
[ 0.000000] [<ffffffff802fdd18>] nr_free_pagecache_pages+0x26/0x3c
[ 0.000000] [<ffffffff802fdf1c>] build_all_zonelists+0x1ee/0x292
[ 0.000000] [<ffffffff813a9d0a>] start_kernel+0x1a3/0x3fd
[ 0.000000] [<ffffffff813a92a9>] x86_64_start_reservations+0xb9/0xd4
[ 0.000000] [<ffffffff813a93b2>] x86_64_start_kernel+0xee/0x109
[ 0.000000] RIP next_zones_zonelist+0x27/0x6a
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