Merge branch 'tcp-add-three-static-keys'
authorDavid S. Miller <davem@davemloft.net>
Sat, 15 Jun 2019 03:18:28 +0000 (20:18 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 15 Jun 2019 03:18:28 +0000 (20:18 -0700)
commit35fc07aee8f6d55aeacdbfdccc425e684737f741
tree220daaf7fb72acc2cfe6fab06c1ac0e0f4384157
parent9a33629ba6b26caebd73e3c581ba1e6068c696a7
parentce27ec60648d8e066227cb2f58b1d3d4f7253d08
Merge branch 'tcp-add-three-static-keys'

Eric Dumazet says:

====================
tcp: add three static keys

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.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>