Re: [PATCH] ring-buffer: Fixes for subbuf resizing

[Vincent Donnefort <vdonnefort@google.com>]

On Thu, Aug 13, 2026 at 09:52:30PM -0400, Steven Rostedt wrote:
> From: Vincent Donnefort <vdonnefort@google.com>
> 
> This series addresses multiple issues discovered with the dynamic ring
> buffer resizing.
> 
> Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
> ---
> 
> This is patches 1-5,7-9 of series: https://lore.kernel.org/all/20260813131152.3589632-1-vdonnefort@google.com/
> 
> I'm running them through my tests right now. But I wanted to see what
> Sashiko thinks of them as one big patch. In the series, Sashiko kept
> complaining about existing issues that were fixed later in the series.
> Sending this as one big patch will hopefully have it give better feedback.

And it actually does not look bad!

The only comment left was fixed in "ring-buffer: Make nr_pages unsigned int",
which from Steven's feedback must be renamed as we may want to keep nr_pages
unsigned long where possible.

> 
>  kernel/trace/ring_buffer.c | 268 ++++++++++++++++++++++---------------
>  1 file changed, 158 insertions(+), 110 deletions(-)
>

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