linux-kernel - Re: [PATCH v10 02/30] ring-buffer: Store bpage pointers into subbuf

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Message-ID: <20260128192610.705081e1@gandalf.local.home>
Date: Wed, 28 Jan 2026 19:26:10 -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 02/30] ring-buffer: Store bpage pointers into
 subbuf_ids

On Mon, 26 Jan 2026 10:43:51 +0000
Vincent Donnefort <vdonnefort@...gle.com> wrote:

> The subbuf_ids field allows to point to a specific page from the
> ring-buffer based on its ID. As a preparation or the upcoming
> ring-buffer remote support, point this array to the buffer_page instead
> of the buffer_data_page.
> 
> Signed-off-by: Vincent Donnefort <vdonnefort@...gle.com>

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

-- Steve