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8013791: G1: G1CollectorPolicy::initialize_flags() may set min_alignment > max_alignment

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Make sure max alignemnt is at least as large as min alignment

Reviewed-by: johnc, jmasa, tschatzl
This commit is contained in:
Bengt Rutisson 2013-05-06 09:16:14 +02:00
parent d08bf8d1be
commit 36c195270d
3 changed files with 45 additions and 4 deletions
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3
hotspot/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
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@ -309,7 +309,8 @@ G1CollectorPolicy::G1CollectorPolicy() :
void G1CollectorPolicy::initialize_flags() {
set_min_alignment(HeapRegion::GrainBytes);
set_max_alignment(GenRemSet::max_alignment_constraint(rem_set_name()));
size_t card_table_alignment = GenRemSet::max_alignment_constraint(rem_set_name());
set_max_alignment(MAX2(card_table_alignment, min_alignment()));
if (SurvivorRatio < 1) {
vm_exit_during_initialization("Invalid survivor ratio specified");
}