Re: [for-linus][PATCH 3/5] xdp: Remove unused mem_return_failed event

[John Fastabend <john.fastabend@gmail.com>]

On 2025-06-03 13:11:52, Steven Rostedt wrote:
> From: Steven Rostedt <rostedt@goodmis.org>
> 
> The change to allow page_pool to handle its own page destruction instead
> of relying on XDP removed the trace_mem_return_failed() tracepoint caller,
> but did not remove the mem_return_failed trace event. As trace events take
> up memory when they are created regardless of if they are used or not,
> having this unused event around wastes around 5K of memory.
> 
> Remove the unused event.
> 
> Link: https://lore.kernel.org/all/20250529130138.544ffec4@gandalf.local.home/
> 
> Cc: netdev <netdev@vger.kernel.org>
> Cc: Jonathan Lemon <jonathan.lemon@gmail.com>
> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
> Cc: Masami Hiramatsu <mhiramat@kernel.org>
> Link: https://lore.kernel.org/20250529160550.1f888b15@gandalf.local.home
> Fixes: c3f812cea0d7 ("page_pool: do not release pool until inflight == 0.")
> Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
> Acked-by: Jakub Kicinski <kuba@kernel.org>
> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
> ---
>  include/trace/events/xdp.h | 26 --------------------------
>  1 file changed, 26 deletions(-)

Reviewed-by: John Fastabend <john.fastabend@gmail.com>