linux-kernel - Re: [PATCH v10 01/30] ring-buffer: Add page statistics to the meta-page

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Message-ID: <20260128192552.4412c237@gandalf.local.home>
Date: Wed, 28 Jan 2026 19:25:52 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Vincent Donnefort <vdonnefort@...gle.com>
Cc: mhiramat@...nel.org, mathieu.desnoyers@...icios.com,
 linux-trace-kernel@...r.kernel.org, maz@...nel.org, oliver.upton@...ux.dev,
 joey.gouly@....com, suzuki.poulose@....com, yuzenghui@...wei.com,
 kvmarm@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
 jstultz@...gle.com, qperret@...gle.com, will@...nel.org,
 aneesh.kumar@...nel.org, kernel-team@...roid.com,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 01/30] ring-buffer: Add page statistics to the
 meta-page

On Mon, 26 Jan 2026 10:43:50 +0000
Vincent Donnefort <vdonnefort@...gle.com> wrote:

> Add two fields pages_touched and pages_lost to the ring-buffer
> meta-page. Those fields are useful to get the number of used pages in
> the ring-buffer.
> 
> Signed-off-by: Vincent Donnefort <vdonnefort@...gle.com>

Reviewed-by: Steven Rostedt (Google) <rostedt@...dmis.org>

-- Steve