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SubjectRe: [PATCH net-next RFC 0/2] add elevated refcnt support for page pool
On Tue, Jul 6, 2021 at 5:51 PM Russell King (Oracle)
<linux@armlinux.org.uk> wrote:
>
> On Fri, Jul 02, 2021 at 03:39:47PM +0200, Matteo Croce wrote:
> > On Wed, 30 Jun 2021 17:17:54 +0800
> > Yunsheng Lin <linyunsheng@huawei.com> wrote:
> >
> > > This patchset adds elevated refcnt support for page pool
> > > and enable skb's page frag recycling based on page pool
> > > in hns3 drvier.
> > >
> > > Yunsheng Lin (2):
> > > page_pool: add page recycling support based on elevated refcnt
> > > 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/hisilicon/hns3/hns3_ethtool.c | 1 +
> > > drivers/net/ethernet/marvell/mvneta.c | 6 +-
> > > drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 +-
> > > include/linux/mm_types.h | 2 +-
> > > include/linux/skbuff.h | 4 +-
> > > include/net/page_pool.h | 30 ++-
> > > net/core/page_pool.c | 215
> > > +++++++++++++++++---- 9 files changed, 285 insertions(+), 57
> > > deletions(-)
> > >
> >
> > Interesting!
> > Unfortunately I'll not have access to my macchiatobin anytime soon, can
> > someone test the impact, if any, on mvpp2?
>
> I'll try to test. Please let me know what kind of testing you're
> looking for (I haven't been following these patches, sorry.)
>

A drop test or L2 routing will be enough.
BTW I should have the macchiatobin back on friday.

Regards,
--
per aspera ad upstream

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