--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
-@@ -38,6 +38,7 @@ void (*__flush_cache_vunmap)(void);
+@@ -39,6 +39,7 @@ void (*__flush_cache_vunmap)(void);
void (*__flush_kernel_vmap_range)(unsigned long vaddr, int size);
EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range);