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--- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -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 */