From a35a3455142976e3fffdf27027f3082cbaba6e8c Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <matthew@wil.cx>
Date: Mon, 3 Dec 2007 14:08:28 -0500
Subject: [PATCH] Change dmapool free block management

Use a list of free blocks within a page instead of using a bitmap.
Update documentation to reflect this.  As well as being a slight
reduction in memory allocation, locked ops and lines of code, it speeds
up a transaction processing benchmark by 0.4%.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
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