402 } else {
403 guarantee(Heap_lock->owned_by_self(),
404 "master humongous set MT safety protocol outside a safepoint");
405 }
406 }
407
408 void FreeRegionList_test() {
409 FreeRegionList l("test");
410
411 const uint num_regions_in_test = 5;
412 // Create a fake heap. It does not need to be valid, as the HeapRegion constructor
413 // does not access it.
414 MemRegion heap(NULL, num_regions_in_test * HeapRegion::GrainWords);
415 // Allocate a fake BOT because the HeapRegion constructor initializes
416 // the BOT.
417 size_t bot_size = G1BlockOffsetSharedArray::compute_size(heap.word_size());
418 HeapWord* bot_data = NEW_C_HEAP_ARRAY(HeapWord, bot_size, mtGC);
419 ReservedSpace bot_rs(G1BlockOffsetSharedArray::compute_size(heap.word_size()));
420 G1RegionToSpaceMapper* bot_storage =
421 G1RegionToSpaceMapper::create_mapper(bot_rs,
422 os::vm_page_size(),
423 HeapRegion::GrainBytes,
424 G1BlockOffsetSharedArray::N_bytes,
425 mtGC);
426 G1BlockOffsetSharedArray oa(heap, bot_storage);
427 bot_storage->commit_regions(0, num_regions_in_test);
428
429 // Set up memory regions for the heap regions.
430 MemRegion mr0(heap.start(), HeapRegion::GrainWords);
431 MemRegion mr1(mr0.end(), HeapRegion::GrainWords);
432 MemRegion mr2(mr1.end(), HeapRegion::GrainWords);
433 MemRegion mr3(mr2.end(), HeapRegion::GrainWords);
434 MemRegion mr4(mr3.end(), HeapRegion::GrainWords);
435
436 HeapRegion hr0(0, &oa, mr0);
437 HeapRegion hr1(1, &oa, mr1);
438 HeapRegion hr2(2, &oa, mr2);
439 HeapRegion hr3(3, &oa, mr3);
440 HeapRegion hr4(4, &oa, mr4);
441 l.add_ordered(&hr1);
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402 } else {
403 guarantee(Heap_lock->owned_by_self(),
404 "master humongous set MT safety protocol outside a safepoint");
405 }
406 }
407
408 void FreeRegionList_test() {
409 FreeRegionList l("test");
410
411 const uint num_regions_in_test = 5;
412 // Create a fake heap. It does not need to be valid, as the HeapRegion constructor
413 // does not access it.
414 MemRegion heap(NULL, num_regions_in_test * HeapRegion::GrainWords);
415 // Allocate a fake BOT because the HeapRegion constructor initializes
416 // the BOT.
417 size_t bot_size = G1BlockOffsetSharedArray::compute_size(heap.word_size());
418 HeapWord* bot_data = NEW_C_HEAP_ARRAY(HeapWord, bot_size, mtGC);
419 ReservedSpace bot_rs(G1BlockOffsetSharedArray::compute_size(heap.word_size()));
420 G1RegionToSpaceMapper* bot_storage =
421 G1RegionToSpaceMapper::create_mapper(bot_rs,
422 bot_rs.size(),
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
430 // Set up memory regions for the heap regions.
431 MemRegion mr0(heap.start(), HeapRegion::GrainWords);
432 MemRegion mr1(mr0.end(), HeapRegion::GrainWords);
433 MemRegion mr2(mr1.end(), HeapRegion::GrainWords);
434 MemRegion mr3(mr2.end(), HeapRegion::GrainWords);
435 MemRegion mr4(mr3.end(), HeapRegion::GrainWords);
436
437 HeapRegion hr0(0, &oa, mr0);
438 HeapRegion hr1(1, &oa, mr1);
439 HeapRegion hr2(2, &oa, mr2);
440 HeapRegion hr3(3, &oa, mr3);
441 HeapRegion hr4(4, &oa, mr4);
442 l.add_ordered(&hr1);
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