Re: [PATCH net-next v3 3/4] NTB: ntb_transport: Add per-payload client metadata

[Jakub Kicinski]

On Fri,  4 Sep 2026 14:21:33 +0900 Koichiro Den wrote:
> +/* Reserve the low byte for transport flags. */
> +#define DESC_META_SHIFT		8
> +#define DESC_META_MASK		(~0U << DESC_META_SHIFT)

IMHO the code would be more readable if you defined this with 
one GENMASK and then used FILED_GET() / _PREP() / _MAX() on it