diff -Naurp linux-2.6.17.mips.orig/include/asm-mips/mach-ip27/cpu-feature-overrides.h linux-2.6.17.mips.p1/include/asm-mips/mach-ip27/cpu-feature-overrides.h
--- linux-2.6.17.mips.orig/include/asm-mips/mach-ip27/cpu-feature-overrides.h	2006-06-17 00:45:12.000000000 -0400
+++ linux-2.6.17.mips.p1/include/asm-mips/mach-ip27/cpu-feature-overrides.h	2006-06-17 00:54:29.000000000 -0400
@@ -31,6 +31,9 @@
 #define cpu_has_nofpuex		0
 #define cpu_has_64bits		1
 
+#define cpu_has_4kex		1
+#define cpu_has_4k_cache	1
+
 #define cpu_has_subset_pcaches	1
 
 #define cpu_dcache_line_size()	32
diff -Naurp linux-2.6.17.mips.orig/include/asm-mips/mach-ip32/cpu-feature-overrides.h linux-2.6.17.mips.p1/include/asm-mips/mach-ip32/cpu-feature-overrides.h
--- linux-2.6.17.mips.orig/include/asm-mips/mach-ip32/cpu-feature-overrides.h	2006-06-17 00:45:12.000000000 -0400
+++ linux-2.6.17.mips.p1/include/asm-mips/mach-ip32/cpu-feature-overrides.h	2006-06-17 00:54:29.000000000 -0400
@@ -38,6 +38,8 @@
 #define cpu_has_vtag_icache	0
 #define cpu_has_ic_fills_f_dc	0
 #define cpu_has_dsp		0
+#define cpu_has_4k_cache	1
+
 
 #define cpu_has_mips32r1	0
 #define cpu_has_mips32r2	0