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Date:   Wed, 27 May 2020 16:21:55 -0600
From:   David Ahern <>
To:     Paolo Bonzini <>,
        Jakub Kicinski <>,
        Emanuele Giuseppe Esposito <>
        Christian Borntraeger <>,
        Jim Mattson <>,
        Alexander Viro <>,
        Emanuele Giuseppe Esposito <>,
        David Rientjes <>,
        Jonathan Adams <>,,,,,,,,,,
        Andrew Lunn <>
Subject: Re: [PATCH v3 0/7] Statsfs: a new ram-based file system for Linux
 kernel statistics

On 5/27/20 3:07 PM, Paolo Bonzini wrote:
> I see what you meant now.  statsfs can also be used to enumerate objects
> if one is so inclined (with the prototype in patch 7, for example, each
> network interface becomes a directory).

there are many use cases that have 100's to 1000's have network devices.
Having a sysfs entry per device already bloats memory usage for these
use cases; another filesystem with an entry per device makes that worse.
Really the wrong direction for large scale systems.

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