1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 6fb4694d05fa..313dac2d94ce 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1007,7 +1007,7 @@ more:
         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;