__NR_tkill        490 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_tkill, sys_tkill)
__NR_tkill          3 include/asm-generic/audit_signal.h __NR_tkill,
__NR_tkill        421 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_tkill, sys_tkill)
__NR_tkill        421 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_tkill, sys_tkill)