Subject: Re: [PATCH 0/2] mark some slabs as visible not mergeable

From: Stephen Hemminger <[email-masked]>
Date: Sun, 25 Feb 2018 08:36:44 -0800

On Sat, 24 Feb 2018 11:04:52 -0800
Stephen Hemminger <[email-masked]> 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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