Re: [PATCH v16 3/5] rust: add bitmap API.

[Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>]

On Mon, Sep 8, 2025 at 9:22 AM Burak Emir <bqe@google.com> wrote:
>
> +    #[test]
> +    fn owned_bitmap_out_of_bounds() -> Result<(), AllocError> {
> +        // TODO: Kunit #[test]s do not support `cfg` yet,
> +        // so we add it here in the body.
> +        #[cfg(not(CONFIG_RUST_BITMAP_HARDENED))]
> +        {
> +            let mut b = BitmapVec::new(128, GFP_KERNEL)?;
> +            b.set_bit(2048);
> +            b.set_bit_atomic(2048);
> +            b.clear_bit(2048);
> +            b.clear_bit_atomic(2048);
> +            assert_eq!(None, b.next_bit(2048));
> +            assert_eq!(None, b.next_zero_bit(2048));
> +            assert_eq!(None, b.last_bit());
> +        }
> +        Ok(())
> +    }

For context, Kaibo Ma already posted a patch to solve that limitation,
so we should be able to clean this up e.g. next cycle:

https://lore.kernel.org/rust-for-linux/20250907201558.104566-2-ent3rm4n@gmail.com/

Cheers,
Miguel