diff -Nur linux-2.6.36.orig/arch/mips/rb532/devices.c linux-2.6.36/arch/mips/rb532/devices.c
--- linux-2.6.36.orig/arch/mips/rb532/devices.c	2010-10-20 22:30:22.000000000 +0200
+++ linux-2.6.36/arch/mips/rb532/devices.c	2010-12-21 20:26:05.000000000 +0100
@@ -190,8 +190,12 @@
 	}, {
 		.name = "rootfs",
 		.offset = MTDPART_OFS_NXTBLK,
-		.size = MTDPART_SIZ_FULL,
-	}
+		.size = 0x8000000 - 0x400000 - 0x400000,
+	}, {
+		.name = "cfgfs",
+		.offset = 0x8000000 - 0x400000,
+		.size = 0x400000,
+	},
 };
 
 static struct platform_device rb532_led = {