diff --git a/[refs] b/[refs]
index af272da9abe5..dcca8fb3df99 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0252208eb52f6fe8731a47804eddc7ba93f60a87
+refs/heads/master: 3d03e2ea74103a50c23d6ab1906cf73399c0dafb
diff --git a/trunk/tools/perf/util/session.c b/trunk/tools/perf/util/session.c
index 6fb4694d05fa..313dac2d94ce 100644
--- a/trunk/tools/perf/util/session.c
+++ b/trunk/tools/perf/util/session.c
@@ -1007,7 +1007,7 @@ int __perf_session__process_events(struct perf_session *session,
 	if (size == 0)
 		size = 8;
 
-	if (head + event->header.size >= mmap_size) {
+	if (head + event->header.size > mmap_size) {
 		if (mmaps[map_idx]) {
 			munmap(mmaps[map_idx], mmap_size);
 			mmaps[map_idx] = NULL;