linux-kernel - Re: [PATCH net-next v3] octeontx2-pf: Add support for page pool

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Message-ID: <4e89de93-3b82-a448-0c31-871ad09e40a0@huawei.com>
Date:   Fri, 19 May 2023 15:19:11 +0800
From:   Yunsheng Lin <linyunsheng@...wei.com>
To:     Ratheesh Kannoth <rkannoth@...vell.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <sgoutham@...vell.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <sbhatta@...vell.com>, <gakula@...vell.com>, <schalla@...vell.com>,
        <hkelam@...vell.com>
Subject: Re: [PATCH net-next v3] octeontx2-pf: Add support for page pool

On 2023/5/19 15:13, Ratheesh Kannoth wrote:
> Page pool for each rx queue enhance rx side performance
> by reclaiming buffers back to each queue specific pool. DMA
> mapping is done only for first allocation of buffers.
> As subsequent buffers allocation avoid DMA mapping,
> it results in performance improvement.
> 
> Image        |  Performance
> ------------ | ------------
> Vannila      |   3Mpps
>              |
> with this    |   42Mpps
> change	     |
> ---------------------------

LGTM.
Reviewed-by: Yunsheng Lin <linyunsheng@...wei.com>

> 
> Signed-off-by: Ratheesh Kannoth <rkannoth@...vell.com>
> ---