[MIPS] Remove unused argument from kunmap_coherent().

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h
index 28d907d..4933b49 100644
--- a/include/asm-mips/cacheflush.h
+++ b/include/asm-mips/cacheflush.h
@@ -96,6 +96,6 @@
 unsigned long __init run_uncached(void *func);
 
 extern void *kmap_coherent(struct page *page, unsigned long addr);
-extern void kunmap_coherent(struct page *page);
+extern void kunmap_coherent(void);
 
 #endif /* _ASM_CACHEFLUSH_H */