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Date:   Thu, 14 Sep 2017 10:02:03 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net] netvsc: increase default receive buffer size

From: Stephen Hemminger <>
Date: Thu, 14 Sep 2017 09:31:07 -0700

> The default receive buffer size was reduced by recent change
> to a value which was appropriate for 10G and Windows Server 2016.
> But the value is too small for full performance with 40G on Azure.
> Increase the default back to maximum supported by host.
> Fixes: 8b5327975ae1 ("netvsc: allow controlling send/recv buffer size")
> Signed-off-by: Stephen Hemminger <>

What other side effects are there to making this buffer so large?

Just curious...

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