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

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Message-ID: <ce22066d9ca743bb875c5f0d6da84071@baidu.com>
Date:   Thu, 19 Dec 2019 12:47:05 +0000
From:   "Li,Rongqing" <lirongqing@...du.com>
To:     Jesper Dangaard Brouer <brouer@...hat.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>
Subject: 答复: [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.


in-flight pages maybe loop between pool-> alloc.cache and in-flight, and did not travel to ptr_ring


-Li