On Thu, Jan 03, 2019 at 10:05:56AM +0200, Leon Romanovsky wrote:
> +static unsigned long res_to_id(struct rdma_restrack_entry *res)
> +{
> + switch (res->type) {
> + case RDMA_RESTRACK_PD:
> + return container_of(res, struct ib_pd, res)->pdn;
> + case RDMA_RESTRACK_MR:
> + case RDMA_RESTRACK_CM_ID:
> + case RDMA_RESTRACK_CTX:
> + case RDMA_RESTRACK_CQ:
> + return (unsigned long)res;
Matthew said xarray has horrible performance if used as a hash table
for something that is not inherently clustered - like pointer values.
So I don't think this is a good idea.
Jason
