__NR_pidfd_open   879 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_pidfd_open, sys_pidfd_open)
__NR_pidfd_open   848 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_pidfd_open, sys_pidfd_open)
__NR_pidfd_open   848 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_pidfd_open, sys_pidfd_open)
__NR_pidfd_open    27 tools/testing/selftests/pidfd/pidfd.h #ifndef __NR_pidfd_open
__NR_pidfd_open    78 tools/testing/selftests/pidfd/pidfd.h 	return syscall(__NR_pidfd_open, pid, flags);