403 } else {
404 guarantee(Heap_lock->owned_by_self(),
405 "master humongous set MT safety protocol outside a safepoint");
406 }
407 }
408
409 void FreeRegionList_test() {
410 FreeRegionList l("test");
411
412 const uint num_regions_in_test = 5;
413 // Create a fake heap. It does not need to be valid, as the HeapRegion constructor
414 // does not access it.
415 MemRegion heap(NULL, num_regions_in_test * HeapRegion::GrainWords);
416 // Allocate a fake BOT because the HeapRegion constructor initializes
417 // the BOT.
418 size_t bot_size = G1BlockOffsetSharedArray::compute_size(heap.word_size());
419 HeapWord* bot_data = NEW_C_HEAP_ARRAY(HeapWord, bot_size, mtGC);
420 ReservedSpace bot_rs(G1BlockOffsetSharedArray::compute_size(heap.word_size()));
421 G1RegionToSpaceMapper* bot_storage =
422 G1RegionToSpaceMapper::create_mapper(bot_rs,
423 os::vm_page_size(),
424 HeapRegion::GrainBytes,
425 G1BlockOffsetSharedArray::N_bytes,
426 mtGC);
427 G1BlockOffsetSharedArray oa(heap, bot_storage);
428 bot_storage->commit_regions(0, num_regions_in_test);
429 HeapRegion hr0(0, &oa, heap);
430 HeapRegion hr1(1, &oa, heap);
431 HeapRegion hr2(2, &oa, heap);
432 HeapRegion hr3(3, &oa, heap);
433 HeapRegion hr4(4, &oa, heap);
434 l.add_ordered(&hr1);
435 l.add_ordered(&hr0);
436 l.add_ordered(&hr3);
437 l.add_ordered(&hr4);
438 l.add_ordered(&hr2);
439 assert(l.length() == num_regions_in_test, "wrong length");
440 l.verify_list();
441
442 bot_storage->uncommit_regions(0, num_regions_in_test);
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403 } else {
404 guarantee(Heap_lock->owned_by_self(),
405 "master humongous set MT safety protocol outside a safepoint");
406 }
407 }
408
409 void FreeRegionList_test() {
410 FreeRegionList l("test");
411
412 const uint num_regions_in_test = 5;
413 // Create a fake heap. It does not need to be valid, as the HeapRegion constructor
414 // does not access it.
415 MemRegion heap(NULL, num_regions_in_test * HeapRegion::GrainWords);
416 // Allocate a fake BOT because the HeapRegion constructor initializes
417 // the BOT.
418 size_t bot_size = G1BlockOffsetSharedArray::compute_size(heap.word_size());
419 HeapWord* bot_data = NEW_C_HEAP_ARRAY(HeapWord, bot_size, mtGC);
420 ReservedSpace bot_rs(G1BlockOffsetSharedArray::compute_size(heap.word_size()));
421 G1RegionToSpaceMapper* bot_storage =
422 G1RegionToSpaceMapper::create_mapper(bot_rs,
423 bot_rs.size(),
424 os::vm_page_size(),
425 HeapRegion::GrainBytes,
426 G1BlockOffsetSharedArray::N_bytes,
427 mtGC);
428 G1BlockOffsetSharedArray oa(heap, bot_storage);
429 bot_storage->commit_regions(0, num_regions_in_test);
430 HeapRegion hr0(0, &oa, heap);
431 HeapRegion hr1(1, &oa, heap);
432 HeapRegion hr2(2, &oa, heap);
433 HeapRegion hr3(3, &oa, heap);
434 HeapRegion hr4(4, &oa, heap);
435 l.add_ordered(&hr1);
436 l.add_ordered(&hr0);
437 l.add_ordered(&hr3);
438 l.add_ordered(&hr4);
439 l.add_ordered(&hr2);
440 assert(l.length() == num_regions_in_test, "wrong length");
441 l.verify_list();
442
443 bot_storage->uncommit_regions(0, num_regions_in_test);
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