>> On a related note...  Is it possible to reuse a cma_id for different
>> memory regions by appropriately calling ibv_reg_mr() and
>> ibv_dereg_mr()?
>Sorry, but i don't really know the answer for this.
>You should contact Sean Hefty for questions about the cma ...

Memory registrations are done through the verbs interfaces, not the rdma_cm.
But you can call ibv_reg_mr() multiple times to register different memory
regions on the same protection domain.

- Sean

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