Extern or forward variable declaration at arch/x86/boot/boot.h, line 37 References: arch/x86/boot/boot.h, line 37 arch/x86/boot/cmdline.c, line 32 arch/x86/boot/cmdline.c, line 105 arch/x86/boot/edd.c, line 58 arch/x86/boot/edd.c, line 60 arch/x86/boot/header.S, line 95 arch/x86/boot/header.S, line 96 arch/x86/boot/main.c, line 39 arch/x86/boot/main.c, line 39 arch/x86/boot/main.c, line 39 arch/x86/boot/main.c, line 41 arch/x86/boot/main.c, line 49 arch/x86/boot/main.c, line 54 arch/x86/boot/main.c, line 113 arch/x86/boot/main.c, line 118 arch/x86/boot/main.c, line 173 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 304 arch/x86/boot/video.c, line 322