From: "Li,Rongqing" <lirongqing@baidu.com>
To: Yunsheng Lin <linyunsheng@huawei.com>,
Jesper Dangaard Brouer <brouer@redhat.com>
Cc: "Saeed Mahameed" <saeedm@mellanox.com>,
"ilias.apalodimas@linaro.org" <ilias.apalodimas@linaro.org>,
"jonathan.lemon@gmail.com" <jonathan.lemon@gmail.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"mhocko@kernel.org" <mhocko@kernel.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Björn Töpel" <bjorn.topel@intel.com>
Subject: 答复: [PATCH][v2] page_pool: handle page recycle for NUMA_NO_NODE condition
Date: Fri, 13 Dec 2019 06:27:28 +0000 [thread overview]
Message-ID: <1d4f10f4c0f1433bae658df8972a904f@baidu.com> (raw)
In-Reply-To: <7c555cb1-6beb-240d-08f8-7044b9087fe4@huawei.com>
>
> It is good to allocate the rx page close to both cpu and device, but if
> both goal can not be reached, maybe we choose to allocate page that close
> to cpu?
>
I think it is true
If it is true, , we can remove pool->p.nid, and replace alloc_pages_node with
alloc_pages in __page_pool_alloc_pages_slow, and change pool_page_reusable as
that page_to_nid(page) is checked with numa_mem_id()
since alloc_pages hint to use the current node page, and __page_pool_alloc_pages_slow
will be called in NAPI polling often if recycle failed, after some cycle, the page will be from
local memory node.
-Li
next prev parent reply other threads:[~2019-12-13 6:44 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-06 9:32 [PATCH][v2] page_pool: handle page recycle for NUMA_NO_NODE condition Li RongQing
2019-12-07 3:52 ` Saeed Mahameed
2019-12-09 1:31 ` Yunsheng Lin
2019-12-09 3:47 ` 答复: " Li,Rongqing
2019-12-09 9:30 ` Ilias Apalodimas
2019-12-09 10:37 ` 答复: " Li,Rongqing
2019-12-09 12:14 ` Jesper Dangaard Brouer
2019-12-09 23:34 ` Saeed Mahameed
2019-12-10 1:31 ` Yunsheng Lin
2019-12-10 9:39 ` 答复: " Li,Rongqing
2019-12-10 14:52 ` Ilias Apalodimas
2019-12-10 19:56 ` Saeed Mahameed
2019-12-10 19:45 ` Saeed Mahameed
2019-12-11 3:01 ` Yunsheng Lin
2019-12-11 3:06 ` Yunsheng Lin
2019-12-11 20:57 ` Saeed Mahameed
2019-12-12 1:04 ` Yunsheng Lin
2019-12-10 15:02 ` Ilias Apalodimas
2019-12-10 20:02 ` Saeed Mahameed
2019-12-10 20:10 ` Ilias Apalodimas
2019-12-11 18:49 ` Jesper Dangaard Brouer
2019-12-11 21:24 ` Saeed Mahameed
2019-12-12 1:34 ` Yunsheng Lin
2019-12-12 10:18 ` Jesper Dangaard Brouer
2019-12-13 3:40 ` Yunsheng Lin
2019-12-13 6:27 ` Li,Rongqing [this message]
2019-12-13 6:53 ` 答复: " Yunsheng Lin
2019-12-13 8:48 ` Jesper Dangaard Brouer
2019-12-16 1:51 ` Yunsheng Lin
2019-12-16 4:02 ` 答复: " Li,Rongqing
2019-12-16 10:13 ` Ilias Apalodimas
2019-12-16 10:16 ` Ilias Apalodimas
2019-12-16 10:57 ` 答复: " Li,Rongqing
2019-12-17 19:38 ` Saeed Mahameed
2019-12-17 19:35 ` Saeed Mahameed
2019-12-17 19:27 ` Saeed Mahameed
2019-12-16 12:15 ` Michal Hocko
2019-12-16 12:34 ` Ilias Apalodimas
2019-12-16 13:08 ` Michal Hocko
2019-12-16 13:21 ` Ilias Apalodimas
2019-12-17 2:11 ` Yunsheng Lin
2019-12-17 9:11 ` Michal Hocko
2019-12-19 2:09 ` Yunsheng Lin
2019-12-19 11:53 ` Michal Hocko
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