netdev - Re: [PATCH bpf-next v6 11/12] samples/bpf: use hugepages in xdpsock app

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Message-ID: <359B63E6-49B0-4AA2-96F3-D139AF0AEA33@gmail.com>
Date:   Fri, 30 Aug 2019 08:51:12 -0700
From:   "Jonathan Lemon" <jonathan.lemon@...il.com>
To:     "Kevin Laatz" <kevin.laatz@...el.com>
Cc:     netdev@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
        bjorn.topel@...el.com, magnus.karlsson@...el.com,
        jakub.kicinski@...ronome.com, saeedm@...lanox.com,
        maximmi@...lanox.com, stephen@...workplumber.org,
        bruce.richardson@...el.com, ciara.loftus@...el.com,
        bpf@...r.kernel.org, intel-wired-lan@...ts.osuosl.org
Subject: Re: [PATCH bpf-next v6 11/12] samples/bpf: use hugepages in xdpsock
 app



On 26 Aug 2019, at 19:25, Kevin Laatz wrote:

> This patch modifies xdpsock to use mmap instead of posix_memalign. With
> this change, we can use hugepages when running the application in unaligned
> chunks mode. Using hugepages makes it more likely that we have physically
> contiguous memory, which supports the unaligned chunk mode better.
>
> Signed-off-by: Kevin Laatz <kevin.laatz@...el.com>
Acked-by: Jonathan Lemon <jonathan.lemon@...il.com>