linux-kernel - Re: [RFC PATCH v3 10/12] tcp: RX path for devmem TCP

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Message-ID: <20231110151919.4789d54b@kernel.org>
Date:   Fri, 10 Nov 2023 15:19:19 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Mina Almasry <almasrymina@...gle.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        David Ahern <dsahern@...nel.org>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Shuah Khan <shuah@...nel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        "Christian König" <christian.koenig@....com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Jeroen de Borst <jeroendb@...gle.com>,
        Praveen Kaligineedi <pkaligineedi@...gle.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Kaiyuan Zhang <kaiyuanz@...gle.com>
Subject: Re: [RFC PATCH v3 10/12] tcp: RX path for devmem TCP

On Sun,  5 Nov 2023 18:44:09 -0800 Mina Almasry wrote:
> +		if (!skb_frags_not_readable(skb)) {

nit: maybe call the helper skb_frags_readable() and flip
     the polarity, avoid double negatives.