Re: [PATCH net-next 0/3] Change BPF_TEST_RUN use the system page pool for live XDP frames

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From: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
Date: Thu, 15 Feb 2024 18:06:42 +0100

> Alexander Lobakin <aleksander.lobakin@xxxxxxxxx> writes:
> 
>> From: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
>> Date: Thu, 15 Feb 2024 14:26:29 +0100
>>
>>> Now that we have a system-wide page pool, we can use that for the live
>>> frame mode of BPF_TEST_RUN (used by the XDP traffic generator), and
>>> avoid the cost of creating a separate page pool instance for each
>>> syscall invocation. See the individual patches for more details.
>>
>> Tested xdp-trafficgen on my development tree[0], no regressions from the
>> net-next with my patch which increases live frames PP size.
>>
>> Reviewed-by: Alexander Lobakin <aleksander.lobakin@xxxxxxxxx>
>> Tested-by: Alexander Lobakin <aleksander.lobakin@xxxxxxxxx>
> 
> Great, thanks for taking it for a spin! :)

BTW, you remove the usage of page_pool->slow.init_callback, maybe we
could remove it completely?

> 
> -Toke

Thanks,
Olek




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