Re: [PATCH v2 2/2] mm: Remove tlb_flush_reason::NR_TLB_FLUSH_REASONS

From: Lorenzo Stoakes

Date: Mon Dec 15 2025 - 07:41:02 EST


On Fri, Dec 12, 2025 at 04:08:08AM -0500, Tal Zussman wrote:
> This has been unused since it was added 11 years ago in commit
> d17d8f9dedb9 ("x86/mm: Add tracepoints for TLB flushes").
>
> Acked-by: David Hildenbrand <david@xxxxxxxxxx>
> Reviewed-by: Rik van Riel <riel@xxxxxxxxxxx>
> Signed-off-by: Tal Zussman <tz2294@xxxxxxxxxxxx>

Hmm, guess just a way of counting the number of reasons, but if nobody's using
it that's silly. So:

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>

> ---
> include/linux/mm_types.h | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
> index 9f6de068295d..42af2292951d 100644
> --- a/include/linux/mm_types.h
> +++ b/include/linux/mm_types.h
> @@ -1631,7 +1631,6 @@ enum tlb_flush_reason {
> TLB_LOCAL_MM_SHOOTDOWN,
> TLB_REMOTE_SEND_IPI,
> TLB_REMOTE_WRONG_CPU,
> - NR_TLB_FLUSH_REASONS,
> };
>
> /**
>
> --
> 2.39.5
>