From 33dbdda28e5b2ca7435abba1421633f1736c1c02 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Mon, 6 Jun 2005 11:42:14 +0000
Subject: Allow data blocks to be less than sizeof ( struct buffer_free_block )
 in size.  (The restriction on the size of free blocks remains.)

---
 src/include/buffer.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/include')

diff --git a/src/include/buffer.h b/src/include/buffer.h
index ecd7b4813..ac4c31481 100644
--- a/src/include/buffer.h
+++ b/src/include/buffer.h
@@ -82,7 +82,9 @@ struct buffer {
  */
 struct buffer_free_block {
 	char		tail;		/**< Tail byte marker */
-	physaddr_t	next_free;	/**< Address of next free block */
+	char		reserved[3];	/**< Padding */
+	physaddr_t	start;		/**< Address of this free block */
+	physaddr_t	next;		/**< Address of next free block */
 	physaddr_t	end;		/**< End of this block */
 } __attribute__ (( packed ));
 
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