Index: linux-2.6.25.9/arch/mips/mm/cache.c
===================================================================
--- linux-2.6.25.9.orig/arch/mips/mm/cache.c	2008-07-06 05:04:46.000000000 +0200
+++ linux-2.6.25.9/arch/mips/mm/cache.c	2008-07-06 05:05:07.000000000 +0200
@@ -50,6 +50,8 @@
 void (*_dma_cache_inv)(unsigned long start, unsigned long size);
 
 EXPORT_SYMBOL(_dma_cache_wback_inv);
+EXPORT_SYMBOL(_dma_cache_wback);
+EXPORT_SYMBOL(_dma_cache_inv);
 
 #endif /* CONFIG_DMA_NONCOHERENT */