linux-kernel - Re: [PATCH net] octeontx2-pf: Set page pool size

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Message-ID: <20230810105942.2bf835a6@kernel.org>
Date:   Thu, 10 Aug 2023 10:59:42 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Alexander Lobakin <aleksander.lobakin@...el.com>
Cc:     Ratheesh Kannoth <rkannoth@...vell.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <sgoutham@...vell.com>,
        <lcherian@...vell.com>, <gakula@...vell.com>, <jerinj@...vell.com>,
        <hkelam@...vell.com>, <sbhatta@...vell.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <pabeni@...hat.com>
Subject: Re: [PATCH net] octeontx2-pf: Set page pool size

On Thu, 10 Aug 2023 19:09:21 +0200 Alexander Lobakin wrote:
> And if the ring size is e.g. 256 or 512 or even 1024, why have Page Pool
> with 2048 elements? Should be something like
> 
> min(numptrs, OTX2_PAGE_POOL_MAX_SZ)

And someone needs to tell me why the 2k was chosen as a value that
uniquely fits this device but not other devices..
-- 
pw-bot: cr