Extern or forward variable declaration arch/arm/include/asm/hw_breakpoint.h, line 113 [usage...] arch/arm64/include/asm/hw_breakpoint.h, line 116 [usage...] arch/mips/include/asm/cpu-info.h, line 108 [usage...] arch/powerpc/include/asm/spu.h, line 297 [usage...] arch/x86/include/asm/idle.h, line 7 [usage...] drivers/gpu/drm/sti/sti_vtg.h, line 20 [usage...] drivers/platform/x86/dell-rbtn.h, line 19 [usage...] include/linux/cpu.h, line 56 [usage...] include/linux/device.h, line 176 [usage...] include/linux/iommu.h, line 39 [usage...] include/linux/kdebug.h, line 6 [usage...] include/linux/keyboard.h, line 6 [usage...] include/linux/memory.h, line 69 [usage...] include/linux/module.h, line 274 [usage...] include/linux/notifier.h, line 50 [usage...] include/linux/oom.h, line 11 [usage...] include/linux/profile.h, line 18 [usage...] include/linux/regulator/consumer.h, line 41 [usage...] include/linux/swap.h, line 16 [usage...] include/linux/tracepoint.h, line 26 [usage...] include/linux/uprobes.h, line 34 [usage...] tools/testing/radix-tree/linux/notifier.h, line 4 [usage...] Structure include/linux/notifier.h, line 55 [usage...] Class, struct, or union member drivers/net/ethernet/hisilicon/hns/hns_enet.h, line 81 [usage...]