Re: [RFC PATCH v2 0/3] BPF-based per-cgroup NUMA balancing mode selection

[Tejun Heo]

Hello,

On Mon, Oct 12, 2026 at 08:04:35PM +0800, Yafang Shao wrote:
> This series adds a bpf_numab_ops struct_ops which attaches to a
> cgroup. The kernel consults the policies of the matching cgroup and of
> every ancestor and combines what they return.

The op doesn't compute anything. It returns a fixed mode per cgroup and
that's all the series uses it for. BPF is unnecessary here. This is a
prctl() feature, not a struct_ops one.

Thanks.

-- 
tejun