diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index 0d358a0..aae16ee1 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -299,6 +299,44 @@
 		show_gfp_flags(__entry->gfp_flags))
 );
 
+TRACE_EVENT(mm_page_alloc_extfrag,
+
+	TP_PROTO(struct page *page,
+			int alloc_order, int fallback_order,
+			int alloc_migratetype, int fallback_migratetype),
+
+	TP_ARGS(page,
+		alloc_order, fallback_order,
+		alloc_migratetype, fallback_migratetype),
+
+	TP_STRUCT__entry(
+		__field(	struct page *,	page			)
+		__field(	int,		alloc_order		)
+		__field(	int,		fallback_order		)
+		__field(	int,		alloc_migratetype	)
+		__field(	int,		fallback_migratetype	)
+	),
+
+	TP_fast_assign(
+		__entry->page			= page;
+		__entry->alloc_order		= alloc_order;
+		__entry->fallback_order		= fallback_order;
+		__entry->alloc_migratetype	= alloc_migratetype;
+		__entry->fallback_migratetype	= fallback_migratetype;
+	),
+
+	TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
+		__entry->page,
+		page_to_pfn(__entry->page),
+		__entry->alloc_order,
+		__entry->fallback_order,
+		pageblock_order,
+		__entry->alloc_migratetype,
+		__entry->fallback_migratetype,
+		__entry->fallback_order < pageblock_order,
+		__entry->alloc_migratetype == __entry->fallback_migratetype)
+);
+
 #endif /* _TRACE_KMEM_H */
 
 /* This part must be outside protection */