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

[Hao Li]

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>
> ---
>  mm/slub.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)

LGTM.
Reviewed-by: Hao Li <hao.li@xxxxxxxxx>

-- 
Thanks,
Hao