From: Yunsheng Lin <linyunsheng@huawei.com>
To: <davem@davemloft.net>, <kuba@kernel.org>
Cc: <alexander.duyck@gmail.com>, <linux@armlinux.org.uk>,
<mw@semihalf.com>, <linuxarm@openeuler.org>,
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Subject: Re: [Linuxarm] [PATCH rfc v3 0/4] add frag page support in page pool
Date: Mon, 12 Jul 2021 18:39:38 +0800 [thread overview]
Message-ID: <22579591-606c-9967-42e5-fcfe18875026@huawei.com> (raw)
In-Reply-To: <1626081581-54524-1-git-send-email-linyunsheng@huawei.com>
Please ignore this patch set, will send out a new series
without duplicated patch 3 and fix a bug for a corner case.
On 2021/7/12 17:19, Yunsheng Lin wrote:
> This patchset adds frag page support in page pool and
> enable skb's page frag recycling based on page pool in
> hns3 drvier.
>
> RFC v3:
> 1. Implement the semantic of "page recycling only wait for the
> page pool user instead of all user of a page"
> 2. Support the frag allocation of different sizes
> 3. Merge patch 4 & 5 to one patch as it does not make sense to
> use page_pool_dev_alloc_pages() API directly with elevated
> refcnt.
> 4. other minor comment suggested by Alexander.
>
> RFC v2:
> 1. Split patch 1 to more reviewable one.
> 2. Repurpose the lower 12 bits of the dma address to store the
> pagecnt_bias as suggested by Alexander.
> 3. support recycling to pool->alloc for elevated refcnt case
> too.
>
>
> Yunsheng Lin (4):
> page_pool: keep pp info as long as page pool owns the page
> page_pool: add interface for getting and setting pagecnt_bias
> page_pool: add frag page recycling support in page pool
> net: hns3: support skb's frag page recycling based on page pool
>
> drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 79 ++++++++++++-
> drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 3 +
> drivers/net/ethernet/marvell/mvneta.c | 6 +-
> drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 +-
> drivers/net/ethernet/ti/cpsw.c | 2 +-
> drivers/net/ethernet/ti/cpsw_new.c | 2 +-
> include/linux/skbuff.h | 4 +-
> include/net/page_pool.h | 58 +++++++--
> net/core/page_pool.c | 150 +++++++++++++++++++++---
> 9 files changed, 262 insertions(+), 44 deletions(-)
>
prev parent reply other threads:[~2021-07-12 10:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-12 9:19 [PATCH rfc v3 0/4] add frag page support in page pool Yunsheng Lin
2021-07-12 9:19 ` [PATCH rfc v3 1/4] page_pool: keep pp info as long as page pool owns the page Yunsheng Lin
2021-07-12 9:19 ` [PATCH rfc v3 2/4] page_pool: add interface for getting and setting pagecnt_bias Yunsheng Lin
2021-07-12 9:19 ` [PATCH rfc v3 3/4] page_pool: add frag page recycling support in page pool Yunsheng Lin
2021-07-12 9:19 ` [PATCH rfc v3 3/4] page_pool: add page recycling support based on elevated refcnt Yunsheng Lin
2021-07-12 9:28 ` [Linuxarm] " Yunsheng Lin
2021-07-12 9:19 ` [PATCH rfc v3 4/4] net: hns3: support skb's frag page recycling based on page pool Yunsheng Lin
2021-07-12 10:39 ` Yunsheng Lin [this message]
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