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8010722: assert: failed: heap size is too big for compressed oops

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Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.

Reviewed-by: stefank, dholmes
This commit is contained in:
Thomas Schatzl 2013-09-11 16:25:02 +02:00
parent 6b12e05140
commit 962008f22b
22 changed files with 363 additions and 42 deletions
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7
hotspot/src/share/vm/memory/genCollectedHeap.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2013, 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
@ -148,6 +148,11 @@ public:
return gen_policy()->size_policy();
}
// Return the (conservative) maximum heap alignment
static size_t conservative_max_heap_alignment() {
return Generation::GenGrain;
}
size_t capacity() const;
size_t used() const;