Re: [PATCH] mm/page_alloc: fix NUMA stats update for cpu-less nodes

[Michal Hocko]

On Wed 23-10-24 15:15:20, Dongjoo Seo wrote:
> Hi Andrew, Michal,
> 
> Thanks for the feedback.
> 
> The issue is that CPU-less nodes can lead to incorrect NUMA stats.
> For example, NUMA_HIT may incorrectly increase for CPU-less nodes
> because the current logic doesn't account for whether a node has CPUs.

Define incorrect

Current semantic doesn't really care about cpu less NUMA nodes because
current means whatever is required AFIU. This is certainly a long term
semantic. Why does this need to change and why it makes sense to 
pre-existing users?

-- 
Michal Hocko
SUSE Labs