Re: [PATCH bpf-next v3 00/13] bpf: Introduce selectable memcg for bpf map

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On Wed, Sep 07, 2022 at 09:27:09AM -0700, Alexei Starovoitov wrote:
> On Wed, Sep 7, 2022 at 9:18 AM Tejun Heo <tj@xxxxxxxxxx> wrote:
> >
> > Hello,
> >
> > On Wed, Sep 07, 2022 at 09:13:09AM -0700, Alexei Starovoitov wrote:
> > > Hmm. We discussed this option already. We definitely don't want
> > > to introduce an uapi knob that will allow anyone to skip memcg
> > > accounting today and in the future.
> >
> > cgroup.memory boot parameter is how memcg provides last-resort workarounds
> > for this sort of problems / regressions while they're being addressed. It's
> > not a dynamically changeable or programmable thing. Just a boot time
> > opt-out. That said, if you don't want it, you don't want it.
> 
> ahh. boot param.
> Are you suggesting a global off switch ? Like nosocket and nokmem.
> That would be a different story.
> Need to think more about it. It could be ok.

Yeah, nobpf or sth like that. An equivalent cgroup.memory parameter.

Thanks.

-- 
tejun



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