func golang.org/x/sys/unix.Vmsplice

one use

	golang.org/x/sys/unix (current package)
		syscall_linux.go#L2298: func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)