From: Eric Dumazet <eduma...@google.com> Date: Fri, 14 Jun 2019 16:22:17 -0700
> Recent addition of per TCP socket rx/tx cache brought > regressions for some workloads, as reported by Feng Tang. > > It seems better to make them opt-in, before we adopt better > heuristics. > > The last patch adds high_order_alloc_disable sysctl > to ask TCP sendmsg() to exclusively use order-0 allocations, > as mm layer has specific optimizations. Series applied.
