Re: [PATCH v6 0/3] mm/page_owner: add filter infrastructure for print_mode and NUMA filtering

[Michal Hocko]

On Mon 11-05-26 11:30:14, Zhen Ni wrote:
> Solution
> ========
> 
> This patch series introduces a flexible filter infrastructure with
> two initial filters:
> 
> 1. **Print Mode Filter**: Outputs only stack handles instead of
>    full stack traces. The handle-to-stack mapping can be retrieved
>    from the existing show_stacks_handles interface. This dramatically
>    reduces output size while preserving all allocation metadata.
> 
> 2. **NUMA Node Filter**: Allows filtering pages by specific NUMA node(s)
>    using flexible nodelist format, enabling targeted analysis of memory
>    issues in NUMA-aware deployments.

How does this work when there are multiple consumers of the interface?
E.g per numa tool to watch node lock page_owner information?

-- 
Michal Hocko
SUSE Labs