linux-kernel - Re: [PATCH] fsdax: Remove unused trace event dax_pmd_insert

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Message-ID: <20250529150918.7c740902@gandalf.local.home>
Date: Thu, 29 May 2025 15:09:18 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: LKML <linux-kernel@...r.kernel.org>, Linux Trace Kernel
 <linux-trace-kernel@...r.kernel.org>, nvdimm@...ts.linux.dev
Cc: Dan Williams <dan.j.williams@...el.com>, Shiyang Ruan
 <ruansy.fnst@...itsu.com>, "Darrick J. Wong" <djwong@...nel.org>, Ross
 Zwisler <zwisler@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] fsdax: Remove unused trace event dax_pmd_insert_mapping

On Thu, 29 May 2025 15:07:22 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> When the dax_fault_actor() helper was factored out, it removed the calls
> to the dax_pmd_insert_mapping event but never removed the event itself. As
> events created do take up memory (roughly 5K), this is a waste as it is
> never used.
> 
> Remove the unused dax_pmd_insert_mapping trace event.

Bah, I just noticed that the call to the dax_insert_mapping event was also
removed without removing the event. Let me remove that too and fold it into
this patch.

I'll send a v2.

-- Steve