Re: [PATCH v2 0/2] mm/slub: Fix debugfs stack trace sorting and simplify sort call

[Vlastimil Babka <vbabka@suse.cz>]

On 8/26/25 08:23, Kuan-Wei Chiu wrote:
> Fix the comparison function used for sorting stack trace locations in
> the slub debugfs interface. The original implementation violated the
> antisymmetry property required by sort(), which could lead to
> unreliable ordering of the output. The patches correct the comparison
> function to return 0 when counts are equal and replace the unnecessary
> use of sort_r() with the simpler sort().
> ---
> Changes in v2:
> * Use cmp_int().
> * Drop Cc stable. 
> 
> v1: https://lore.kernel.org/lkml/20250825013419.240278-1-visitorckw@gmail.com/
> 
> Kuan-Wei Chiu (2):
>   mm/slub: Fix cmp_loc_by_count() to return 0 when counts are equal
>   mm/slub: Replace sort_r() with sort() for debugfs stack trace sorting

Applied to slab/for-next, thanks!

>  mm/slub.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
>