Re: [RFC PATCH v2 2/5] mm: Add policy_name to identify OOM policies

[Chuyi Zhou]

在 2023/9/15 10:28, Bixuan Cui 写道:
> 在 2023/9/14 20:50, Chuyi Zhou 写道:
> > > Delete set_oom_policy_name, it makes no sense for users to set policy 
> > > names. 🙂
> >
> > There can be multiple OOM policy in the system at the same time.
> >
> > If we need to apply different OOM policies to different memcgs based 
> > on different scenarios, we can use this hook(set_oom_policy_name) to 
> > set name to identify which policy in invoked at that time.
> >
> > Just some thoughts.
> Well, I thought the system would only load one OOM policy(set one policy 
> name), which would set the prio of all memcgs.
>
> What you mean is that multiple bpf.c may be loaded at the system, and 
> each bpf.c sets the different policy for different memcgs?

No. Not multiple bpf_oompolicy.c but multiple OOM Policy in one BPF Program.