On 06/12, Bobby Eshleman wrote: > From: Bobby Eshleman <[email protected]> > > Add -b <bytes> to request a non-default niov size via > NETDEV_A_DMABUF_RX_BUF_SIZE. When the value exceeds PAGE_SIZE, > udmabuf_alloc() switches to an MFD_HUGETLB-backed memfd so each 2 MB > hugepage produces one naturally-aligned sg entry. > > Reject values > 2 MB up front: MFD_HUGETLB + udmabuf can only guarantee > 2 MB per sg entry (one hugepage), so a larger rx_buf_size would fail the > per-sg length/alignment check. > > Add CONFIG_HUGETLBFS=y to drivers/net/hw/config so the new path is > reachable in the CI kernels built for these tests. > > Signed-off-by: Bobby Eshleman <[email protected]>
Acked-by: Stanislav Fomichev <[email protected]>
