linux-kernel - Re: [Linuxarm] Re: [PATCH RFC 0/7] add socket to netdev page frag recycling support

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Message-ID: <CANn89iLa4QnA-hOJVVrAZLZs-pLr66-K+fRjB9vTjqgz_aAmnA@mail.gmail.com>
Date:   Wed, 25 Aug 2021 10:24:34 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     David Ahern <dsahern@...il.com>
Cc:     Yunsheng Lin <linyunsheng@...wei.com>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexander Duyck <alexander.duyck@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Marcin Wojtas <mw@...ihalf.com>, linuxarm@...neuler.org,
        Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        John Fastabend <john.fastabend@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
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        Alexander Lobakin <alobakin@...me>,
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        kpsingh@...nel.org, Andrii Nakryiko <andrii@...nel.org>,
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        Song Liu <songliubraving@...com>,
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        chenhao288@...ilicon.com,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>, memxor@...il.com,
        linux@...pel-privat.de, Antoine Tenart <atenart@...nel.org>,
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        Arnd Bergmann <arnd@...db.de>,
        Mat Martineau <mathew.j.martineau@...ux.intel.com>,
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        Florian Westphal <fw@...len.de>, xiangxia.m.yue@...il.com,
        linmiaohe <linmiaohe@...wei.com>, Christoph Hellwig <hch@....de>
Subject: Re: [Linuxarm] Re: [PATCH RFC 0/7] add socket to netdev page frag
 recycling support

On Wed, Aug 25, 2021 at 9:39 AM David Ahern <dsahern@...il.com> wrote:
>
> On 8/25/21 9:32 AM, Eric Dumazet wrote:

> >
>
> thanks for the pointer. I need to revisit my past attempt to get iperf3
> working with hugepages.

ANother pointer, just in case this helps.

commit 72653ae5303c626ca29fcbcbb8165a894a104adf
Author: Eric Dumazet <edumazet@...gle.com>
Date:   Thu Aug 20 10:11:17 2020 -0700

    selftests: net: tcp_mmap: Use huge pages in send path