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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/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp
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@ -86,6 +86,11 @@ class ParallelScavengeHeap : public CollectedHeap {
set_alignment(_old_gen_alignment, intra_heap_alignment());
}
// Return the (conservative) maximum heap alignment
static size_t conservative_max_heap_alignment() {
return intra_heap_alignment();
}
// For use by VM operations
enum CollectionType {
Scavenge,
@ -122,7 +127,7 @@ class ParallelScavengeHeap : public CollectedHeap {
// The alignment used for eden and survivors within the young gen
// and for boundary between young gen and old gen.
size_t intra_heap_alignment() const { return 64 * K * HeapWordSize; }
static size_t intra_heap_alignment() { return 64 * K * HeapWordSize; }
size_t capacity() const;
size_t used() const;