arch/arm/include/asm/clocksource.h - kernel/common - Git at Google

 #ifndef _ASM_CLOCKSOURCE_H
 #define _ASM_CLOCKSOURCE_H

 struct arch_clocksource_data {
 	bool vdso_direct;	/* Usable for direct VDSO access? */
 };

 #endif
	#ifndef _ASM_CLOCKSOURCE_H
	#define _ASM_CLOCKSOURCE_H

	struct arch_clocksource_data {
	bool vdso_direct; /* Usable for direct VDSO access? */
	};

	#endif