diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 90980b7..6e12694 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -390,6 +390,7 @@
 	 * process to make sure that the system is not starved.
 	 */
 	unsigned long		min_cma_pages;
+	bool			cma_alloc;
 #endif
 	struct free_area	free_area[MAX_ORDER];