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From: Nikita Danilov <nikita@clusterfs.com>
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Date: Wed, 4 Apr 2007 22:03:04 +0400
To: Matt Mackall <mpm@selenic.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 12/13] maps: Add /proc/pid/pagemap interface
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Matt Mackall writes:

[...]

 > 
 > Now I could adjust these to only export u64s in some preferred
 > endianness. But given I already need details like the page size to
 > make any sense of it, it seems unnecessary. Also, the PFNs are fairly
 > opaque unless you're attempting to correlate them with /proc/kpagemap.

Alternatively, you can export some meta-data at the beginning of that
file like /proc/profile does.

Nikita.