From 99802a7aee2b3dd720e382c52b892cc6a8122b11 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Thu, 10 Feb 2011 10:30:34 -0500
Subject: [PATCH] NVMe: Optimise memory usage for I/Os between 4k and 128k

Add a second memory pool for smaller I/Os.  We can pack 16 of these on a
single page instead of using an entire page for each one.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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