`unused parameter` warnings for do_get_mem_info

[fkallen]

The stream parameter in do_get_mem_info(stream) is unused for some memory resources, for example

https://github.com/rapidsai/rmm/blob/branch-22.06/include/rmm/mr/device/managed_memory_resource.hpp#L117

    cuda_stream_view stream) const override
  {
    std::size_t free_size{};
    std::size_t total_size{};
    RMM_CUDA_TRY(cudaMemGetInfo(&free_size, &total_size));
    return std::make_pair(free_size, total_size);
  }

This leads to compiler warnings.

[harrism]

Can you share the warning? The parameter is unnamed in the line you linked specifically to avoid unused parameter warnings.

[fkallen]

I made a mistake. I don't know why I wrote cuda_memory_resource. In my program the warning is for managed memory resource and limiting resource adapter.

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