Re: [PATCH v13 1/2] rust: gpu: Add GPU buddy allocator bindings

[Joel Fernandes]

On 3/17/2026 6:03 PM, Joel Fernandes wrote:
> +impl AllocatedBlocks {
> +    /// Check if the block list is empty.
> +    pub fn is_empty(&self) -> bool {
> +        // An empty list head points to itself.
> +        !self.list.is_linked()
> +    }
> +
> +    /// Iterate over allocated blocks.
> +    ///
> +    /// Returns an iterator yielding [`AllocatedBlock`] values. Each [`AllocatedBlock`]
> +    /// borrows `self` and is only valid for the duration of that borrow.
> +    pub fn iter(&self) -> impl Iterator<Item = AllocatedBlock<'_>> + '_ {
> +        // SAFETY:
> +        // - Per the type invariant, `list` is an initialized sentinel `list_head`

Sorry that there is a clippy error here, this SAFETY needs to be SAFETY* per:
https://lore.kernel.org/all/CANiq72kEnDyUpnWMZmheJytjioeiJUK_C-yQJk77dPid89LExw@xxxxxxxxxxxxxx/
https://lore.kernel.org/all/71b6a115-98f1-4b09-9c04-a99349f51e49@xxxxxxxxxx/

here is a fixup:
https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git/commit/?h=nova/mm&id=8ee92de5549324cba602c0e7a491596056f55153