8206179: com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java fails with Committed virtual memory size illegal value
Reviewed-by: sspitsyn, cjplummer
--- a/test/jdk/com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java Wed Jul 17 16:33:19 2019 +0200
+++ b/test/jdk/com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java Wed Jul 17 11:23:51 2019 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -57,8 +57,7 @@
// Careful with these values.
private static final long MIN_SIZE_FOR_PASS = 1;
- // Max size for pass dynamically determined below
- private static long max_size_for_pass = Long.MAX_VALUE;
+ private static long MAX_SIZE_FOR_PASS = Long.MAX_VALUE;
private static boolean trace = false;
@@ -67,16 +66,6 @@
trace = true;
}
- // 4934082: On Linux, VM size *can* be larger than total swap
- // size. Linux might not reserve swap memory immediately when
- // a page is mmaped. This means that the reported committed
- // memory size can grow beyond the swap limit.
- long max_size = mbean.getTotalSwapSpaceSize() +
- mbean.getTotalPhysicalMemorySize();
-
- if (max_size > 0) {
- max_size_for_pass = max_size;
- }
long size = mbean.getCommittedVirtualMemorySize();
if (size == -1) {
System.out.println("getCommittedVirtualMemorySize() is not supported");
@@ -88,11 +77,11 @@
size);
}
- if (size < MIN_SIZE_FOR_PASS || size > max_size_for_pass) {
+ if (size < MIN_SIZE_FOR_PASS || size > MAX_SIZE_FOR_PASS) {
throw new RuntimeException("Committed virtual memory size " +
"illegal value: " + size + " bytes " +
"(MIN = " + MIN_SIZE_FOR_PASS + "; " +
- "MAX = " + max_size_for_pass + ")");
+ "MAX = " + MAX_SIZE_FOR_PASS + ")");
}
System.out.println("Test passed.");