diff --git a/arch/riscv/include/asm/hugetlb.h b/arch/riscv/include/asm/hugetlb.h
index ce1ebda1a49a..34e24f078cc1 100644
--- a/arch/riscv/include/asm/hugetlb.h
+++ b/arch/riscv/include/asm/hugetlb.h
@@ -2,6 +2,7 @@
 #ifndef _ASM_RISCV_HUGETLB_H
 #define _ASM_RISCV_HUGETLB_H
 
+#include <asm/cacheflush.h>
 #include <asm/page.h>
 
 static inline void arch_clear_hugepage_flags(struct page *page)