Extern or forward variable declaration at arch/x86/boot/boot.h, line 37 References: arch/x86/boot/boot.h, line 37 arch/x86/boot/boot.h, line 278 arch/x86/boot/boot.h, line 288 arch/x86/boot/compressed/cmdline.c, line 19 arch/x86/boot/edd.c, line 59 arch/x86/boot/edd.c, line 61 arch/x86/boot/header.S, line 279 arch/x86/boot/header.S, line 280 arch/x86/boot/main.c, line 40 arch/x86/boot/main.c, line 40 arch/x86/boot/main.c, line 40 arch/x86/boot/main.c, line 42 arch/x86/boot/main.c, line 50 arch/x86/boot/main.c, line 55 arch/x86/boot/main.c, line 120 arch/x86/boot/main.c, line 125 arch/x86/boot/pm.c, line 24 arch/x86/boot/pm.c, line 26 arch/x86/boot/pm.c, line 124 arch/x86/boot/video-mode.c, line 170 arch/x86/boot/video.c, line 321 arch/x86/boot/video.c, line 339