linux-kernel - Re: [PATCH] net: page_pool: optimize page pool page allocation in NUMA scenario

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Message-ID: <20220623205335.483540a4@kernel.org>
Date:   Thu, 23 Jun 2022 20:53:35 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Guangbin Huang <huangguangbin2@...wei.com>
Cc:     <davem@...emloft.net>, <edumazet@...gle.com>, <pabeni@...hat.com>,
        <bpf@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <lipeng321@...wei.com>,
        <chenhao288@...ilicon.com>
Subject: Re: [PATCH] net: page_pool: optimize page pool page allocation in
 NUMA scenario

On Wed, 22 Jun 2022 21:42:02 +0800 Guangbin Huang wrote:
> From: Jie Wang <wangjie125@...wei.com>
> 
> Currently NIC packet receiving performance based on page pool deteriorates
> occasionally. To analysis the causes of this problem page allocation stats
> are collected. Here are the stats when NIC rx performance deteriorates:

Please repost this and CC the page pool maintainers.