archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 02:54:35 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8150393: Maintain the set of survivor regions in an array between GCs

Browse source 
Reviewed-by: tschatzl, sjohanss
This commit is contained in:
Mikael Gerdin 2016-04-27 16:11:45 +02:00
parent 6f649fdca0
commit 8f81f1a52b
6 changed files with 58 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hotspot/src/share/vm/gc/g1/g1CollectionSet.cpp
View file

@ -301,15 +301,17 @@ double G1CollectionSet::finalize_young_part(double target_pause_time_ms) {
uint eden_region_length = young_list->eden_length();
init_region_lengths(eden_region_length, survivor_region_length);
HeapRegion* hr = young_list->first_survivor_region();
while (hr != NULL) {
const GrowableArray<HeapRegion*>* survivor_regions = _g1->young_list()->survivor_regions();
for (GrowableArrayIterator<HeapRegion*> it = survivor_regions->begin();
it != survivor_regions->end();
++it) {
HeapRegion* hr = *it;
assert(hr->is_survivor(), "badly formed young list");
// There is a convention that all the young regions in the CSet
// are tagged as "eden", so we do this for the survivors here. We
// use the special set_eden_pre_gc() as it doesn't check that the
// region is free (which is not the case here).
hr->set_eden_pre_gc();
hr = hr->get_next_young_region();
}
verify_young_cset_indices();