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8026853: Prepare GC code for collector policy regression fix

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Cleanup related to the NewSize and MaxNewSize bugs

Reviewed-by: tschatzl, jcoomes, ehelin
This commit is contained in:
Jesper Wilhelmsson 2013-10-21 18:56:20 +02:00
parent 5976b6915a
commit 9705a6e3f9
12 changed files with 39 additions and 55 deletions
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15
hotspot/src/share/vm/memory/collectorPolicy.cpp
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@ -160,7 +160,7 @@ size_t GenCollectorPolicy::bound_minus_alignment(size_t desired_size,
void GenCollectorPolicy::initialize_size_policy(size_t init_eden_size,
size_t init_promo_size,
size_t init_survivor_size) {
const double max_gc_pause_sec = ((double) MaxGCPauseMillis)/1000.0;
const double max_gc_pause_sec = ((double) MaxGCPauseMillis) / 1000.0;
_size_policy = new AdaptiveSizePolicy(init_eden_size,
init_promo_size,
init_survivor_size,
@ -192,6 +192,7 @@ void GenCollectorPolicy::initialize_flags() {
// make sure there room for eden and two survivor spaces
vm_exit_during_initialization("Too small new size specified");
}
if (SurvivorRatio < 1 || NewRatio < 1) {
vm_exit_during_initialization("Invalid young gen ratio specified");
}
@ -465,7 +466,7 @@ void TwoGenerationCollectorPolicy::initialize_size_info() {
"generation sizes: using minimum heap = " SIZE_FORMAT,
_min_heap_byte_size);
}
if ((OldSize > _max_gen1_size)) {
if (OldSize > _max_gen1_size) {
warning("Inconsistency between maximum heap size and maximum "
"generation sizes: using maximum heap = " SIZE_FORMAT
" -XX:OldSize flag is being ignored",
@ -596,9 +597,7 @@ HeapWord* GenCollectorPolicy::mem_allocate_work(size_t size,
gc_count_before = Universe::heap()->total_collections();
}
VM_GenCollectForAllocation op(size,
is_tlab,
gc_count_before);
VM_GenCollectForAllocation op(size, is_tlab, gc_count_before);
VMThread::execute(&op);
if (op.prologue_succeeded()) {
result = op.result();
@ -833,8 +832,9 @@ MarkSweepPolicy::MarkSweepPolicy() {
void MarkSweepPolicy::initialize_generations() {
_generations = NEW_C_HEAP_ARRAY3(GenerationSpecPtr, number_of_generations(), mtGC, 0, AllocFailStrategy::RETURN_NULL);
if (_generations == NULL)
if (_generations == NULL) {
vm_exit_during_initialization("Unable to allocate gen spec");
}
if (UseParNewGC) {
_generations[0] = new GenerationSpec(Generation::ParNew, _initial_gen0_size, _max_gen0_size);
@ -843,8 +843,9 @@ void MarkSweepPolicy::initialize_generations() {
}
_generations[1] = new GenerationSpec(Generation::MarkSweepCompact, _initial_gen1_size, _max_gen1_size);
if (_generations[0] == NULL || _generations[1] == NULL)
if (_generations[0] == NULL || _generations[1] == NULL) {
vm_exit_during_initialization("Unable to allocate gen spec");
}
}
void MarkSweepPolicy::initialize_gc_policy_counters() {