On Fri, Mar 10, 2017@11:31:16AM +0000, Bert Kenward wrote:

Memory is currently allocated as zero-order pages. It's possible
that using higher order pages may be desirable, trading potential
allocation latency for less fragmented SKBs on transmit.

FYI, that would be a useful optimization for RDMA as well.  I know
SCST had some sophisticated code for doing nice SGL allocations and
caching, maybe it's time to get that upstream.  Bart, is that something you'd
be interested in looking into?