ioctl_gntdev_grant_copy  992 drivers/xen/gntdev.c 	struct ioctl_gntdev_grant_copy copy;
ioctl_gntdev_grant_copy  193 include/uapi/xen/gntdev.h 	_IOC(_IOC_NONE, 'G', 8, sizeof(struct ioctl_gntdev_grant_copy))