--- a/drivers/md/dm-raid4-5.c	2006-06-01 17:42:27.000000000 -0700
+++ b/drivers/md/dm-raid4-5.c	2006-06-01 17:42:32.000000000 -0700
@@ -70,7 +70,7 @@
 #define	CHUNK_SIZE		64
 
 /* Maximum setable chunk size in sectors */
-#define	CHUNK_SIZE_MAX		512
+#define	CHUNK_SIZE_MAX		2048
 
 /* Recover chunk size in sectors */
 #define	RECOVER_CHUNK_SIZE	CHUNK_SIZE_MAX
@@ -3114,7 +3114,7 @@ static int raid_ctr(struct dm_target *ti
 		    chunk_size > CHUNK_SIZE_MAX ||
 		    chunk_size & (chunk_size - 1))
 			TI_ERR("Invalid chunk size; must "
-			       "be 2^^n and less equal 512");
+			       "be 2^^n and less equal 2048");
 
 		/*
 		 * In case we've got 2 or more variable raid parameters,