On 06/27/2018 03:16 PM, Shakeel Butt wrote: > 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@xxxxxxxxxx> > Suggested-by: Eric Dumazet <edumazet@xxxxxxxxxx> > --- Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx> Thanks !
