VRINGH_IOV_ALLOCATED
unsigned int flag, new_num = (iov->max_num & ~VRINGH_IOV_ALLOCATED) * 2;
flag = (iov->max_num & VRINGH_IOV_ALLOCATED);
flag = VRINGH_IOV_ALLOCATED;
if (unlikely(iov->used == (iov->max_num & ~VRINGH_IOV_ALLOCATED))) {
if (iov->max_num & VRINGH_IOV_ALLOCATED)
if (kiov->max_num & VRINGH_IOV_ALLOCATED)
assert(riov.max_num & VRINGH_IOV_ALLOCATED);
assert(!(wiov.max_num & VRINGH_IOV_ALLOCATED));
assert(riov.max_num & VRINGH_IOV_ALLOCATED);