linux-kernel - Re: [net-next v4 PATCH] page_pool: handle page recycle for NUMA_NO

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Message-ID: <20191219130013.7707683f@carbon>
Date:   Thu, 19 Dec 2019 13:00:13 +0100
From:   Jesper Dangaard Brouer <brouer@...hat.com>
To:     "Li,Rongqing" <lirongqing@...du.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linyunsheng@...wei.com" <linyunsheng@...wei.com>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Saeed Mahameed <saeedm@...lanox.com>,
        "mhocko@...nel.org" <mhocko@...nel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        brouer@...hat.com
Subject: Re: [net-next v4 PATCH] page_pool: handle page recycle for
 NUMA_NO_NODE condition

On Wed, 18 Dec 2019 14:27:13 +0000
"Li,Rongqing" <lirongqing@...du.com> wrote:

> seem it can not handle the in-flight pages if remove the check node
> id from pool_page_reusable?

I don't follow.
I do think this patch handle in-flight pages, as they have to travel
back-through the ptr_ring.

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer