Re: [PATCH v2 1/4] mm/slub: use a track count for user metadata sizing

[Harry Yoo]

On Fri, Aug 14, 2026 at 12:10:59AM +0800, Pengpeng Hou wrote:
> SLAB_STORE_USER metadata consists of allocation and free tracks, but the
> object-layout calculations repeat the literal count at each offset site.
> 
> Add TRACK_NR to the existing track-item enum and use it for metadata
> initialization, original-size placement, object-extension offsets, padding
> checks and cache sizing.  This is a behavior-preserving preparation for
> extending the tracked history.
> 
> Assisted-by: Codex:gpt-5
> Signed-off-by: Pengpeng Hou <pengpeng@xxxxxxxxxxx>
> ---

Looks good to me,
Reviewed-by: Harry Yoo (Meta) <harry@xxxxxxxxxx>

-- 
Cheers,
Harry / Hyeonggon