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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/parallel/psMarkSweep.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
@ -99,7 +99,7 @@ void PSMarkSweep::invoke(bool maximum_heap_compaction) {
heap->collector_policy()->should_clear_all_soft_refs();
uint count = maximum_heap_compaction ? 1 : MarkSweepAlwaysCompactCount;
UIntXFlagSetting flag_setting(MarkSweepAlwaysCompactCount, count);
UIntFlagSetting flag_setting(MarkSweepAlwaysCompactCount, count);
PSMarkSweep::invoke_no_policy(clear_all_soft_refs || maximum_heap_compaction);
}