--- /dev/null
+Index: linux-2.6.23-rc6/arch/mips/mm/tlbex.c
+===================================================================
+--- linux-2.6.23-rc6.orig/arch/mips/mm/tlbex.c 2007-09-21 16:23:54.000000000 +0800
++++ linux-2.6.23-rc6/arch/mips/mm/tlbex.c 2007-09-21 16:23:58.000000000 +0800
+@@ -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:
+@@ -916,6 +915,7 @@
+ tlbw(p);
+ break;
+
++ case CPU_4KC:
+ case CPU_4KEC:
+ case CPU_24K:
+ case CPU_34K: