--- /dev/null
+--- a/arch/mips/mm/c-r4k.c
++++ b/arch/mips/mm/c-r4k.c
+@@ -325,7 +325,7 @@ static void r4k_flush_cache_mm(struct mm
+ r4k_blast_scache();
+ }
+
+-static void r4k_flush_cache_page(struct vm_area_struct *vma,
++void r4k_flush_cache_page(struct vm_area_struct *vma,
+ unsigned long page)
+ {
+ int exec = vma->vm_flags & VM_EXEC;
+@@ -385,6 +385,7 @@ static void r4k_flush_cache_page(struct
+ r4k_blast_icache_page_indexed(page);
+ }
+ }
++EXPORT_SYMBOL(r4k_flush_cache_page);
+
+ static void r4k_flush_data_cache_page(unsigned long addr)
+ {
+--- a/arch/mips/mm/Makefile
++++ b/arch/mips/mm/Makefile
+@@ -11,7 +11,7 @@ USE_STANDARD_AS_RULE := true
+ O_TARGET := mm.o
+
+ export-objs := cache.o ioremap.o loadmmu.o remap.o \
+- tlb-r4k.o tlb-sb1.o
++ tlb-r4k.o tlb-sb1.o c-r4k.o
+ obj-y += cache.o extable.o init.o ioremap.o fault.o \
+ loadmmu.o
+