diff --git a/include/trace/hooks/mm.h b/include/trace/hooks/mm.h
index 5bd3c5a2741c..d93ecdd22f19 100644
--- a/include/trace/hooks/mm.h
+++ b/include/trace/hooks/mm.h
@@ -13,6 +13,8 @@
 #include <linux/tracepoint.h>
 #include <trace/hooks/vendor_hooks.h>
 
+struct cma;
+
 DECLARE_RESTRICTED_HOOK(android_rvh_set_skip_swapcache_flags,
 			TP_PROTO(gfp_t *flags),
 			TP_ARGS(flags), 1);