On Sat, 24 Feb 2018 11:04:52 -0800
Stephen Hemminger [off-list ref] wrote:

This fixes an old bug in iproute2's ss command because it was
reading slabinfo to get statistics. There isn't a better API
to do this, and one can argue that /proc is a UAPI that must
not change.

Therefore this patch set adds a flag to slab to give another
reason to prevent merging, and then uses it in network code.

The patches are against davem's linux-net tree and should also
goto stable as well.

Stephen Hemminger (2):
  slab: add flag to block merging of UAPI elements
  net: mark slab's used by ss as UAPI

 include/linux/slab.h | 6 ++++++
 mm/slab_common.c     | 2 +-
 net/ipv4/tcp.c       | 3 ++-
 net/ipv4/tcp_ipv4.c  | 2 +-
 net/ipv6/tcp_ipv6.c  | 2 +-
 net/socket.c         | 6 +++---
 6 files changed, 14 insertions(+), 7 deletions(-)

The kbuild reports need more root cause investigation before applying.

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