Re: [PATCH net-next v6 2/3] selftests/net: ncdevmem: add -b option to set rx-page-size on bind

[Nikolay Aleksandrov]

On Fri, Jul 24, 2026 at 02:21:16PM -0700, Bobby Eshleman wrote:
> From: Bobby Eshleman <bobbyeshleman@xxxxxxxx>
> 
> Add -b <bytes> to request a non-default niov size via
> NETDEV_A_DMABUF_RX_PAGE_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.
> 
> Signed-off-by: Bobby Eshleman <bobbyeshleman@xxxxxxxx>
> Acked-by: Stanislav Fomichev <sdf@xxxxxxxxxxx>
> ---
>  tools/testing/selftests/drivers/net/hw/ncdevmem.c | 36 +++++++++++++++++++++--
>  1 file changed, 33 insertions(+), 3 deletions(-)
> 
 
Reviewed-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>