Messages in this thread | | | Date | Fri, 29 Jun 2018 21:57:05 +0900 (KST) | Subject | Re: [PATCH v2] net, mm: account sock objects to kmemcg | From | David Miller <> |
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From: Shakeel Butt <shakeelb@google.com> Date: Wed, 27 Jun 2018 15:16:42 -0700
> Currently the kernel accounts the memory for network traffic through > mem_cgroup_[un]charge_skmem() interface. However the memory accounted > only includes the truesize of sk_buff which does not include the size of > sock objects. In our production environment, with opt-out kmem > accounting, the sock kmem caches (TCP[v6], UDP[v6], RAW[v6], UNIX) are > among the top most charged kmem caches and consume a significant amount > of memory which can not be left as system overhead. So, this patch > converts the kmem caches of all sock objects to SLAB_ACCOUNT. > > Signed-off-by: Shakeel Butt <shakeelb@google.com> > Suggested-by: Eric Dumazet <edumazet@google.com> > --- > Changelog since v1: > - Instead of specific sock kmem_caches, convert all sock kmem_caches to > use SLAB_ACCOUNT.
Applied, thank you.
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