include/asm-x86_64/siginfo.h

#ifndef _X8664_SIGINFO_H
#define _X8664_SIGINFO_H

#define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))

#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 4)

#include <asm-generic/siginfo.h>

#endif