__NR_waitid       574 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_waitid, compat_sys_waitid)
__NR_waitid       311 include/uapi/asm-generic/unistd.h __SC_COMP(__NR_waitid, sys_waitid, compat_sys_waitid)
__NR_waitid       311 tools/include/uapi/asm-generic/unistd.h __SC_COMP(__NR_waitid, sys_waitid, compat_sys_waitid)
__NR_waitid        32 tools/testing/selftests/pidfd/pidfd_wait.c 	return syscall(__NR_waitid, which, pid, info, options, ru);