On Sun, Jul 02, 2017 at 02:17:52PM -0400, Chuck Lever wrote: > I could kmalloc the SGE array instead, signal each Send, > and then in the Send completion handler, unmap the SGEs > and then kfree the SGE array. That's a lot of overhead. Usually after allocating the send queue you'd pre-allocate all the tracking memory needed for each SQE - eg enough information to do the dma unmaps/etc? > Or I could revert all the "map page cache pages" logic and > just use memcpy for small NFS WRITEs, and RDMA the rest of > the time. That keeps everything simple, but means large > inline thresholds can't use send-in-place. Don't you have the same problem with RDMA WRITE? Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
