From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
To: Tal Zussman <tz2294@columbia.edu>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Ingo Molnar <mingo@kernel.org>, Rik van Riel <riel@surriel.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
x86@kernel.org, Will Deacon <will@kernel.org>,
"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
Nick Piggin <npiggin@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
David Hildenbrand <david@kernel.org>,
linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
linux-mm@kvack.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH v2 2/2] mm: Remove tlb_flush_reason::NR_TLB_FLUSH_REASONS
Date: Mon, 15 Dec 2025 12:40:29 +0000 [thread overview]
Message-ID: <a5f3885f-aa32-420b-8d2f-e8ed6bfc6ee3@lucifer.local> (raw)
In-Reply-To: <20251212-tlb-trace-fix-v2-2-d322e0ad9b69@columbia.edu>
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@redhat.com>
> Reviewed-by: Rik van Riel <riel@surriel.com>
> Signed-off-by: Tal Zussman <tz2294@columbia.edu>
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@oracle.com>
> ---
> 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
>
next prev parent reply other threads:[~2025-12-15 12:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-12 9:08 [PATCH v2 0/2] x86, mm: minor tlb_flush tracepoint adjustments Tal Zussman
2025-12-12 9:08 ` [PATCH v2 1/2] x86/tlb/trace: Export the TLB_REMOTE_WRONG_CPU enum Tal Zussman
2025-12-15 12:39 ` Lorenzo Stoakes
2025-12-12 9:08 ` [PATCH v2 2/2] mm: Remove tlb_flush_reason::NR_TLB_FLUSH_REASONS Tal Zussman
2025-12-15 12:40 ` Lorenzo Stoakes [this message]
2025-12-15 13:35 ` Mathieu Desnoyers
2025-12-16 10:32 ` Lorenzo Stoakes
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