diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index af5ad89..07b2a14 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -177,9 +177,9 @@
 
 struct ftrace_page {
 	struct ftrace_page	*next;
-	int			index;
+	unsigned long		index;
 	struct dyn_ftrace	records[];
-} __attribute__((packed));
+};
 
 #define ENTRIES_PER_PAGE \
   ((PAGE_SIZE - sizeof(struct ftrace_page)) / sizeof(struct dyn_ftrace))