--- /dev/null
+Index: linux-2.6.23/arch/mips/mm/tlbex.c
+===================================================================
+--- linux-2.6.23.orig/arch/mips/mm/tlbex.c 2007-10-10 04:31:38.000000000 +0800
++++ linux-2.6.23/arch/mips/mm/tlbex.c 2007-10-10 13:52:34.000000000 +0800
+@@ -902,7 +902,6 @@
+ case CPU_R10000:
+ case CPU_R12000:
+ case CPU_R14000:
+- case CPU_4KC:
+ case CPU_SB1:
+ case CPU_SB1A:
+ case CPU_4KSC:
+@@ -933,6 +932,7 @@
+ tlbw(p);
+ break;
+
++ case CPU_4KC:
+ case CPU_4KEC:
+ case CPU_24K:
+ case CPU_34K: