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8139867: Change how startsHumongous and continuesHumongous regions work in G1

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Reviewed-by: tschatzl, tbenson
This commit is contained in:
David Lindholm 2015-11-09 09:19:39 +01:00
parent fbac3a147e
commit 6bda88594d
26 changed files with 192 additions and 463 deletions
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8
hotspot/src/share/vm/gc/g1/g1ParScanThreadState.cpp
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@ -216,7 +216,7 @@ oop G1ParScanThreadState::copy_to_survivor_space(InCSetState const state,
oop const old,
markOop const old_mark) {
const size_t word_sz = old->size();
HeapRegion* const from_region = _g1h->heap_region_containing_raw(old);
HeapRegion* const from_region = _g1h->heap_region_containing(old);
// +1 to make the -1 indexes valid...
const int young_index = from_region->young_index_in_cset()+1;
assert( (from_region->is_young() && young_index > 0) ||
@ -294,9 +294,9 @@ oop G1ParScanThreadState::copy_to_survivor_space(InCSetState const state,
if (G1StringDedup::is_enabled()) {
const bool is_from_young = state.is_young();
const bool is_to_young = dest_state.is_young();
assert(is_from_young == _g1h->heap_region_containing_raw(old)->is_young(),
assert(is_from_young == _g1h->heap_region_containing(old)->is_young(),
"sanity");
assert(is_to_young == _g1h->heap_region_containing_raw(obj)->is_young(),
assert(is_to_young == _g1h->heap_region_containing(obj)->is_young(),
"sanity");
G1StringDedup::enqueue_from_evacuation(is_from_young,
is_to_young,
@ -314,7 +314,7 @@ oop G1ParScanThreadState::copy_to_survivor_space(InCSetState const state,
oop* old_p = set_partial_array_mask(old);
push_on_queue(old_p);
} else {
HeapRegion* const to_region = _g1h->heap_region_containing_raw(obj_ptr);
HeapRegion* const to_region = _g1h->heap_region_containing(obj_ptr);
_scanner.set_region(to_region);
obj->oop_iterate_backwards(&_scanner);
}