Function prototype or declaration at include/linux/virtio_ring.h, line 23 References: drivers/lguest/lguest_device.c, line 322 drivers/remoteproc/remoteproc_virtio.c, line 66 drivers/s390/kvm/kvm_virtio.c, line 419 drivers/s390/kvm/virtio_ccw.c, line 669 drivers/virtio/virtio_mmio.c, line 255 drivers/virtio/virtio_pci.c, line 232 drivers/virtio/virtio_pci.c, line 580 drivers/virtio/virtio_ring.c, line 601 drivers/virtio/virtio_ring.c, line 619 include/linux/virtio_ring.h, line 23