From: Matteo Croce <mcr...@microsoft.com> This series enables recycling of the buffers allocated with the page_pool API. The first two patches are just prerequisite to save space in a struct and avoid recycling pages allocated with other API. Patch 2 was based on a previous idea from Jonathan Lemon.
The third one is the real recycling, 4 fixes the compilation of __skb_frag_unref users, and 5,6 enable the recycling on two drivers. In the last two patches I reported the improvement I have with the series. The recycling as is can't be used with drivers like mlx5 which do page split, but this is documented in a comment. In the future, a refcount can be used so to support mlx5 with no changes. Ilias Apalodimas (2): page_pool: DMA handling and allow to recycles frames via SKB net: change users of __skb_frag_unref() and add an extra argument Jesper Dangaard Brouer (1): xdp: reduce size of struct xdp_mem_info Matteo Croce (3): mm: add a signature in struct page mvpp2: recycle buffers mvneta: recycle buffers .../chelsio/inline_crypto/ch_ktls/chcr_ktls.c | 2 +- drivers/net/ethernet/marvell/mvneta.c | 4 +- .../net/ethernet/marvell/mvpp2/mvpp2_main.c | 17 +++---- drivers/net/ethernet/marvell/sky2.c | 2 +- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 2 +- include/linux/mm_types.h | 1 + include/linux/skbuff.h | 33 +++++++++++-- include/net/page_pool.h | 15 ++++++ include/net/xdp.h | 5 +- net/core/page_pool.c | 47 +++++++++++++++++++ net/core/skbuff.c | 20 +++++++- net/core/xdp.c | 14 ++++-- net/tls/tls_device.c | 2 +- 13 files changed, 138 insertions(+), 26 deletions(-) -- 2.30.2
