EMPTY_VALUE         6 arch/nds32/include/asm/vdso_timer_info.h #define EMPTY_TIMER_MAPPING EMPTY_VALUE
EMPTY_VALUE         7 arch/nds32/include/asm/vdso_timer_info.h #define EMPTY_REG_OFFSET EMPTY_VALUE
EMPTY_VALUE       125 arch/nds32/kernel/vdso.c 	if(timer_mapping_base == EMPTY_VALUE)