linux-kernel - Re: [PATCH 2/2] mm: Remove tlb_flush_reason::NR_TLB_FLUSH

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Message-ID: <23fc6556-6578-44ba-8443-84adecc29d24@redhat.com>
Date: Wed, 28 May 2025 11:06:29 +0200
From: David Hildenbrand <david@...hat.com>
To: Tal Zussman <tz2294@...umbia.edu>, Steven Rostedt <rostedt@...dmis.org>,
 Masami Hiramatsu <mhiramat@...nel.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Ingo Molnar <mingo@...nel.org>, Rik van Riel <riel@...riel.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 "Liam R. Howlett" <Liam.Howlett@...cle.com>, Vlastimil Babka
 <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>,
 Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>,
 x86@...nel.org
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
 linux-mm@...ck.org
Subject: Re: [PATCH 2/2] mm: Remove tlb_flush_reason::NR_TLB_FLUSH_REASONS

On 28.05.25 07:35, Tal Zussman wrote:
> This has been unused since it was added 11 years ago in commit
> d17d8f9dedb9 ("x86/mm: Add tracepoints for TLB flushes").
> 
> Signed-off-by: Tal Zussman <tz2294@...umbia.edu>
> ---
>   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 3e934dc6057c..8b91362fcf8e 100644
> --- a/include/linux/mm_types.h
> +++ b/include/linux/mm_types.h
> @@ -1539,7 +1539,6 @@ enum tlb_flush_reason {
>   	TLB_LOCAL_MM_SHOOTDOWN,
>   	TLB_REMOTE_SEND_IPI,
>   	TLB_REMOTE_WRONG_CPU,
> -	NR_TLB_FLUSH_REASONS,
>   };
>   
>   /**
> 

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb