RE: [PATCH rdma-next] RDMA/rdmavt: Decouple QP and SGE lists allocations

[Marciniszyn, Mike]

> -	struct rvt_sge r_sg_list[] /* verified SGEs */
> +	struct rvt_sge *r_sg_list /* verified SGEs */
>  		____cacheline_aligned_in_smp;
>  };
> 

Since since has been made an independent allocation, r_sg_list becomes a read-mostly pointer and should be moved up in rvt_qp to other 64 bit fields around timeout_jiffies.

The cacheline can then be dropped for this field.

Mike