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Date: Sat, 28 Jul 2018 21:38:12 -0400 (EDT)
From: Garrett Wollman <wollman@hergotha.csail.mit.edu>
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To: jmg@funkthat.com
Subject: Re: 9k jumbo clusters
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In article <20180729011153.GD2884@funkthat.com> jmg@funkthat.com
writes:

>And I know you know the problem is that over time memory is fragmented,
>so if suddenly you need more jumbo frames than you already have, you're
>SOL...

This problem instantly disappears if you preallocate several gigabytes
of contiguous physical memory at boot time.  And if you're doing
something network-intensive and care about performance, you probably
don't mind doing that.

-GAWollman