netdev - Re: [PATCH] net: mana: Use page pool fragments for RX buffers instead of full pages to improve memory efficiency and throughput.

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Message-ID: <2b2f6d5f-c38f-460d-aefc-3bf28801d630@intel.com>
Date: Wed, 23 Jul 2025 13:22:10 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Dipayaan Roy <dipayanroy@...ux.microsoft.com>
CC: <kuba@...nel.org>, <kys@...rosoft.com>, <haiyangz@...rosoft.com>,
	<wei.liu@...nel.org>, <decui@...rosoft.com>, <andrew+netdev@...n.ch>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <pabeni@...hat.com>,
	<longli@...rosoft.com>, <kotaranov@...rosoft.com>, <horms@...nel.org>,
	<ast@...nel.org>, <daniel@...earbox.net>, <hawk@...nel.org>,
	<john.fastabend@...il.com>, <sdf@...ichev.me>, <lorenzo@...nel.org>,
	<michal.kubiak@...el.com>, <ernis@...ux.microsoft.com>,
	<shradhagupta@...ux.microsoft.com>, <shirazsaleem@...rosoft.com>,
	<rosenp@...il.com>, <netdev@...r.kernel.org>, <linux-hyperv@...r.kernel.org>,
	<linux-rdma@...r.kernel.org>, <bpf@...r.kernel.org>
Subject: Re: [PATCH] net: mana: Use page pool fragments for RX buffers instead
 of full pages to improve memory efficiency and throughput.



On 7/23/2025 11:22 AM, Dipayaan Roy wrote:
> Hi Jacob,
> 
> Thanks for the review, I tested this patch previously
> for 4kb page size systems. The throughput improvement is around
> 10 to 15%. Also sligthly better memory utilization as for
> typical 1500 MTU size we are able to fit 2 Rx buffer in
> a single 4kb page as compared to 1 per page previously.
> 
> Thanks
> Dipayaan Roy 
> 

Fantastic

-Jake


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