linux-kernel - Re: [PATCH net-next] page_pool: Rename frag_users to frag

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Date: Thu, 21 Dec 2023 17:39:33 +0800
From: Yunsheng Lin <linyunsheng@...wei.com>
To: Ilias Apalodimas <ilias.apalodimas@...aro.org>
CC: <netdev@...r.kernel.org>, Jesper Dangaard Brouer <hawk@...nel.org>, "David
 S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub
 Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] page_pool: Rename frag_users to frag_cnt

On 2023/12/21 16:24, Ilias Apalodimas wrote:
> 
>> But if we use 'bias' as part of the name, isn't that more reasonable to set
>> both of the bias number to BIAS_MAX initially, and decrement the runtime
>> bais number every time the page is split to more fragments?
> 
> I think it's a matter of taste and how you interpret BIAS_MAX. In any
> case, page_pool_drain_frag() will eventually set the *real* number of
> references. But since the code can get complicated I like the idea of
> making it identical to the mm subsystem tracking.
> 
> Can we just merge v2 and me or you can send the logic inversion
> patches right after. They are orthogonal to the rename anyway

It is fine by me.
And I can send the logic inversion patch if v2 is merged.