Extern or forward variable declaration arch/x86/include/asm/suspend_64.h, line 52 [usage...] Function arch/um/os-Linux/registers.c, line 22 [usage...] Local variable arch/s390/kernel/swsusp_asm64.S, line 215 [usage...] arch/x86/kernel/acpi/wakeup_32.S, line 65 [usage...] Function prototype or declaration arch/um/include/shared/registers.h, line 17 [usage...]