diff -urN linux-2.6.21.1.old/arch/mips/mm/tlbex.c linux-2.6.21.1.dev/arch/mips/mm/tlbex.c
--- linux-2.6.21.1.old/arch/mips/mm/tlbex.c	2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1.dev/arch/mips/mm/tlbex.c	2007-05-26 19:50:19.046030304 +0200
@@ -887,7 +887,6 @@
 	case CPU_R10000:
 	case CPU_R12000:
 	case CPU_R14000:
-	case CPU_4KC:
 	case CPU_SB1:
 	case CPU_SB1A:
 	case CPU_4KSC:
@@ -915,6 +914,7 @@
 		tlbw(p);
 		break;
 
+	case CPU_4KC:
 	case CPU_4KEC:
 	case CPU_24K:
 	case CPU_34K: