Re: [PATCH net-next RFC 0/2] add elevated refcnt support for page pool

On Wed, 30 Jun 2021 17:17:54 +0800
Yunsheng Lin [off-list ref] 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?

Regards,
-- 
per aspera ad upstream