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8145192: 'count' variable can overflow in PSMarkSweep::invoke on 64 bit JVM

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Changed MarkSweepAlwaysCompactCount from uintx to uint

Reviewed-by: tschatzl, tbenson
This commit is contained in:
Sangheon Kim 2016-01-27 10:30:27 -08:00
parent 46d60f379c
commit 094345fc88
3 changed files with 6 additions and 6 deletions
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4
hotspot/src/share/vm/gc/shared/collectorPolicy.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2016, 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
@ -774,7 +774,7 @@ HeapWord* GenCollectorPolicy::satisfy_failed_allocation(size_t size,
// free memory should be here, especially if they are expensive. If this
// attempt fails, an OOM exception will be thrown.
{
UIntXFlagSetting flag_change(MarkSweepAlwaysCompactCount, 1); // Make sure the heap is fully compacted
UIntFlagSetting flag_change(MarkSweepAlwaysCompactCount, 1); // Make sure the heap is fully compacted
gch->do_collection(true, // full
true, // clear_all_soft_refs