Extern or forward variable declaration at include/linux/kernel.h, line 264 References: arch/arm/kernel/ftrace.c, line 73 arch/arm/kernel/smp.c, line 603 arch/arm64/include/asm/archrandom.h, line 151 arch/arm64/kernel/smp.c, line 1012 arch/arm64/mm/mmu.c, line 326 arch/arm64/mm/mmu.c, line 359 arch/powerpc/kernel/smp.c, line 159 arch/powerpc/kernel/smp.c, line 1321 arch/powerpc/kernel/smp.c, line 1636 arch/powerpc/lib/code-patching.c, line 194 arch/powerpc/platforms/powermac/nvram.c, line 199 arch/powerpc/platforms/powermac/nvram.c, line 203 arch/powerpc/platforms/powermac/nvram.c, line 215 arch/powerpc/platforms/powermac/nvram.c, line 219 arch/powerpc/platforms/powernv/eeh-powernv.c, line 710 arch/powerpc/platforms/powernv/eeh-powernv.c, line 749 arch/riscv/kernel/smp.c, line 229 arch/x86/kernel/alternative.c, line 1556 arch/x86/kernel/alternative.c, line 1582 arch/x86/kernel/cpu/microcode/core.c, line 697 arch/x86/kernel/ftrace.c, line 416 arch/x86/kernel/jump_label.c, line 100 arch/x86/kernel/jump_label.c, line 128 arch/x86/kernel/smpboot.c, line 964 arch/x86/kernel/smpboot.c, line 1698 arch/x86/mm/pat/set_memory.c, line 99 drivers/acpi/device_pm.c, line 878 drivers/acpi/device_pm.c, line 885 drivers/acpi/pci_root.c, line 529 drivers/ata/libata-scsi.c, line 1224 drivers/base/node.c, line 792 drivers/cpufreq/pasemi-cpufreq.c, line 214 drivers/firmware/arm_scmi/system.c, line 29 drivers/firmware/arm_scmi/system.c, line 85 drivers/firmware/arm_scmi/system.c, line 85 drivers/iommu/intel/iommu.c, line 3464 drivers/iommu/intel/iommu.c, line 3566 drivers/iommu/intel/iommu.c, line 3807 drivers/md/dm-verity-target.c, line 555 drivers/md/dm-verity-target.c, line 555 drivers/md/dm-verity-target.c, line 556 drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c, line 376 drivers/net/ethernet/broadcom/bnxt/bnxt.c, line 13625 drivers/net/ethernet/broadcom/tg3.c, line 18085 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c, line 3135 drivers/net/ethernet/intel/e100.c, line 3088 drivers/net/ethernet/intel/e1000/e1000_main.c, line 5204 drivers/net/ethernet/intel/i40e/i40e_main.c, line 16276 drivers/net/ethernet/intel/ice/ice_main.c, line 5022 drivers/net/ethernet/intel/igb/igb_main.c, line 9424 drivers/net/ethernet/intel/igc/igc_main.c, line 6720 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c, line 7028 drivers/net/ethernet/nvidia/forcedeth.c, line 6288 drivers/net/ethernet/nvidia/forcedeth.c, line 6296 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c, line 2449 drivers/net/ethernet/qlogic/qede/qede_main.c, line 1375 drivers/net/ethernet/realtek/r8169_main.c, line 4987 drivers/rtc/rtc-cmos.c, line 1389 drivers/rtc/rtc-cmos.c, line 1487 drivers/scsi/ipr.c, line 10669 drivers/scsi/ipr.c, line 10675 drivers/scsi/libiscsi.c, line 1714 drivers/scsi/libiscsi.c, line 2022 drivers/scsi/scsi_transport_iscsi.c, line 2332 drivers/scsi/sd.c, line 3603 drivers/scsi/smartpqi/smartpqi_init.c, line 8922 drivers/tty/serial/kgdboc.c, line 104 drivers/watchdog/da9063_wdt.c, line 129 drivers/xen/manage.c, line 190 drivers/xen/xenbus/xenbus_probe.c, line 198 fs/ext4/super.c, line 566 fs/ext4/super.c, line 566 fs/ext4/super.c, line 567 include/linux/dmar.h, line 95 include/linux/random.h, line 150 include/linux/random.h, line 158 include/linux/scmi_protocol.h, line 765 init/main.c, line 129 init/main.c, line 130 init/main.c, line 716 init/main.c, line 1506 init/main.c, line 1520 kernel/cpu.c, line 343 kernel/extable.c, line 71 kernel/jump_label.c, line 793 kernel/jump_label.c, line 809 kernel/locking/lockdep.c, line 797 kernel/locking/lockdep.c, line 1156 kernel/notifier.c, line 232 kernel/notifier.c, line 262 kernel/notifier.c, line 422 kernel/notifier.c, line 452 kernel/power/hibernate.c, line 308 kernel/power/hibernate.c, line 340 kernel/power/hibernate.c, line 475 kernel/power/hibernate.c, line 509 kernel/power/hibernate.c, line 596 kernel/power/hibernate.c, line 609 kernel/power/suspend.c, line 430 kernel/power/suspend.c, line 447 kernel/printk/printk.c, line 1235 kernel/rcu/rcuscale.c, line 412 kernel/reboot.c, line 76 kernel/reboot.c, line 264 kernel/sched/core.c, line 5287 kernel/sched/core.c, line 9705 kernel/sched/core.c, line 9705 kernel/trace/ring_buffer.c, line 3407 kernel/trace/trace.c, line 6384 lib/smp_processor_id.c, line 33 mm/kfence/core.c, line 75 mm/memory_hotplug.c, line 196 mm/page_alloc.c, line 6488 mm/vmscan.c, line 4567 mm/vmstat.c, line 1980