diff --git a/arch/unicore32/mm/proc-syms.c b/arch/unicore32/mm/proc-syms.c
index f30071e3665d5d08bb89a485aff71e76a36c1652..21c00fc85c994fc5d3ca0525c098eb67ac6cc9e2 100644
--- a/arch/unicore32/mm/proc-syms.c
+++ b/arch/unicore32/mm/proc-syms.c
@@ -19,5 +19,7 @@
 EXPORT_SYMBOL(cpu_dcache_clean_area);
 EXPORT_SYMBOL(cpu_set_pte);
 
+EXPORT_SYMBOL(__cpuc_coherent_kern_range);
+
 EXPORT_SYMBOL(__cpuc_dma_flush_range);
 EXPORT_SYMBOL(__cpuc_dma_clean_range);