Index: linux-2.6.21.1/arch/mips/kernel/head.S
===================================================================
--- linux-2.6.21.1.orig/arch/mips/kernel/head.S
+++ linux-2.6.21.1/arch/mips/kernel/head.S
@@ -129,14 +129,19 @@
 #endif
 	.endm
 
-
 	j kernel_entry
 	nop
-
+	nop
+	
 	/*
 	 * Reserved space for exception handlers.
 	 * Necessary for machines which link their kernels at KSEG0.
+	 * Use as temporary storage for the kernel command line, so that it
+	 * can be updated easily without having to relink the kernel.
 	 */
+	 
+EXPORT(_image_cmdline)
+	.ascii "CMDLINE:"
 	.align 10
 
 EXPORT(stext)					# used for profiling
