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Date: Wed, 15 Apr 2015 17:50:31 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Kamraan Nasim <knasim@sidebandnetworks.com>
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Cc: dev@dpdk.org, liran@weka.io
Subject: Re: [dpdk-dev] dev Digest, Vol 22, Issue 37
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On Wed, 15 Apr 2015 17:43:02 -0700
Kamraan Nasim <knasim@sidebandnetworks.com> wrote:

> >
> > This had me stumped for a while as well. In my case, PostGres9.4 was also
> > running on my system which also used huge pages and came up before my DPDK
> > application causing rte_mempool_create() to ENOMEM.
> 
> 
> Check which other applications are using huge pages:
> > lsof | grep huge
> 
> And see if you can disable huge pages for them or increase the total pages
> you're allocating in Kernel.
> 

There are some libraries to allow for better cooperation with huge pages.
But DPDK development started in parallel and hasn't caught up to using them.
See
 http://libhugetlbfs.sourceforge.net/