Re: [PATCH v10 6/8] rust: gpu: Add GPU buddy allocator bindings

[Joel Fernandes]

On 2/20/2026 9:54 AM, Joel Fernandes wrote:
> 
> 
> On 2/20/2026 3:22 AM, Eliot Courtney wrote:
>> On Thu Feb 19, 2026 at 5:55 AM JST, Joel Fernandes wrote:
>>> +__rust_helper u64 rust_helper_gpu_buddy_block_size(struct gpu_buddy *mm,
>>> +                                              struct gpu_buddy_block 
>>> *block)
>>> +{
>>> +   return gpu_buddy_block_size(mm, block);
>>> +}
>>> +
>>
>> Will `rust_helper_gpu_buddy_block_size` be used in the future? It
>> doesn't appear to be used in buddy.rs.
> 
> I think it is worth keeping because it is a pretty basic API the underlying
> infrastructure. Finding the size of a block can be important in the future
> IMO. It is only few lines, no?

By the way, this can become important for non-contiguous physical memory
allocations where an allocation is split across different blocks. In that
case, we would the information size of each individual block, not just the
whole allocation. I could probably add a test case for that.

--
Joel Fernandes