# HG changeset patch
# User jgeorge
# Date 1544449104 -19800
# Node ID 100818c5ddd07419facf3495488de12b8a620fcf
# Parent  ef9a34d58474de1d706710da067f461c933f15a5
8215026: Incorrect amount of memory unmapped with ImageFileReader::close()
Summary: Use map_size() instead of _index_size as the amount of memory to be unmapped while closing an image file
Reviewed-by: alanb, jlaskey

diff -r ef9a34d58474 -r 100818c5ddd0 src/java.base/share/native/libjimage/imageFile.cpp
--- a/src/java.base/share/native/libjimage/imageFile.cpp	Mon Dec 10 07:52:31 2018 -0500
+++ b/src/java.base/share/native/libjimage/imageFile.cpp	Mon Dec 10 19:08:24 2018 +0530
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -428,7 +428,7 @@
 void ImageFileReader::close() {
     // Deallocate the index.
     if (_index_data) {
-        osSupport::unmap_memory((char*)_index_data, _index_size);
+        osSupport::unmap_memory((char*)_index_data, (size_t)map_size());
         _index_data = NULL;
     }
     // Close file.