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Date: Mon, 8 Sep 2025 17:45:37 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Yangyu Chen <cyy@cyyself.name>
Cc: netdev@vger.kernel.org, Igor Russkikh <irusskikh@marvell.com>, Andrew
 Lunn <andrew+netdev@lunn.ch>, "David S. Miller" <davem@davemloft.net>, Eric
 Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>,
 linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: atlantic: make RX page order tunable via module
 param
Message-ID: <20250908174537.6d6af847@kernel.org>
In-Reply-To: <tencent_E71C2F71D9631843941A5DF87204D1B5B509@qq.com>
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On Sat,  6 Sep 2025 21:54:34 +0800 Yangyu Chen wrote:
> On systems like AMD Strix Halo with Thunderbolt, RX map/unmap operations
> with IOMMU introduce significant performance overhead, making it difficult
> to achieve line rate with 10G NICs even with TCP over MTU 1500. Using
> higher order pages reduces this overhead, so this parameter is now
> configurable.

Please convert this driver to use page_pool instead