linux-kernel - Re: [PATCH net-next 0/3] net: constify page_is

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Message-ID: <20210127202322.99523-1-alobakin@pm.me>
Date:   Wed, 27 Jan 2021 20:23:48 +0000
From:   Alexander Lobakin <alobakin@...me>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leon@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Dexuan Cui <decui@...rosoft.com>,
        Jakub Sitnicki <jakub@...udflare.com>,
        Marco Elver <elver@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
        linux-rdma@...r.kernel.org, linux-mm@...ck.org,
        Alexander Lobakin <alobakin@...me>
Subject: Re: [PATCH net-next 0/3] net: constify page_is_pfmemalloc() and its users

From: Alexander Lobakin <alobakin@...me>
Date: Mon, 25 Jan 2021 16:46:48 +0000

> page_is_pfmemalloc() is used mostly by networking drivers. It doesn't
> write anything to the struct page itself, so constify its argument and
> a bunch of callers and wrappers around this function in drivers.
> In Page Pool core code, it can be simply inlined instead.
> 
> Alexander Lobakin (3):
>   mm: constify page_is_pfmemalloc() argument
>   net: constify page_is_pfmemalloc() argument at call sites
>   net: page_pool: simplify page recycling condition tests

Superseded with v2 [0].

>  drivers/net/ethernet/hisilicon/hns3/hns3_enet.c   |  2 +-
>  drivers/net/ethernet/intel/fm10k/fm10k_main.c     |  2 +-
>  drivers/net/ethernet/intel/i40e/i40e_txrx.c       |  2 +-
>  drivers/net/ethernet/intel/iavf/iavf_txrx.c       |  2 +-
>  drivers/net/ethernet/intel/ice/ice_txrx.c         |  2 +-
>  drivers/net/ethernet/intel/igb/igb_main.c         |  2 +-
>  drivers/net/ethernet/intel/igc/igc_main.c         |  2 +-
>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c     |  2 +-
>  drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c |  2 +-
>  drivers/net/ethernet/mellanox/mlx5/core/en_rx.c   |  2 +-
>  include/linux/mm.h                                |  2 +-
>  include/linux/skbuff.h                            |  4 ++--
>  net/core/page_pool.c                              | 14 ++++----------
>  13 files changed, 17 insertions(+), 23 deletions(-)
> 
> -- 
> 2.30.0

[0] https://lore.kernel.org/netdev/20210127201031.98544-1-alobakin@pm.me

Thanks,
Al