__NR_tgkill       550 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_tgkill, sys_tgkill)
__NR_tgkill         2 include/asm-generic/audit_signal.h __NR_tgkill,
__NR_tgkill       423 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_tgkill, sys_tgkill)
__NR_tgkill       423 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_tgkill, sys_tgkill)