diff --git a/drivers/staging/crystalhd/crystalhd_lnx.h b/drivers/staging/crystalhd/crystalhd_lnx.h
index d3f9fc43d2d4..d338ae97a4cf 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.h
+++ b/drivers/staging/crystalhd/crystalhd_lnx.h
@@ -40,6 +40,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/pagemap.h>
+#include <linux/vmalloc.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>