const syscall.F_SETPIPE_SZ

2 uses

	syscall (current package)
		zerrors_linux_amd64.go#L267: 	F_SETPIPE_SZ                     = 0x407

	internal/poll
		splice_linux.go#L236: 	unix.Fcntl(fds[0], syscall.F_SETPIPE_SZ, maxSpliceSize)