gc/cms/compactibleFreeListSpace.cpp

78 CompactibleFreeListSpace::CompactibleFreeListSpace(BlockOffsetSharedArray* bs, MemRegion mr) :
79   _bt(bs, mr),
100   initialize(mr, SpaceDecorator::Clear, SpaceDecorator::Mangle);
102   _dictionary = new AFLBinaryTreeDictionary(mr);
240 void CompactibleFreeListSpace::reset(MemRegion mr) {
244     assert(end() == mr.end(), "We are compacting to the bottom of CMS gen");
248   if (!mr.is_empty()) {
249     assert(mr.word_size() >= MinChunkSize, "Chunk size is too small");
250     _bt.single_block(mr.start(), mr.word_size());
251     FreeChunk* fc = (FreeChunk*) mr.start();
252     fc->set_size(mr.word_size());
253     if (mr.word_size() >= IndexSetSize ) {
257       _indexedFreeList[mr.word_size()].return_chunk_at_head(fc);
259     coalBirth(mr.word_size());
268   MemRegion mr(compaction_top(), end());
269   reset(mr);
595   virtual void walk_mem_region_with_cl(MemRegion mr,                    \
598       void walk_mem_region_with_cl_par(MemRegion mr,                    \
601     void walk_mem_region_with_cl_nopar(MemRegion mr,                    \
622 void FreeListSpaceDCTOC::walk_mem_region_with_cl(MemRegion mr,                  \
627      walk_mem_region_with_cl_par(mr, bottom, top, cl);                          \
629      walk_mem_region_with_cl_nopar(mr, bottom, top, cl);                        \
632 void FreeListSpaceDCTOC::walk_mem_region_with_cl_par(MemRegion mr,              \
636   /* Skip parts that are before "mr", in case "block_start" sent us             \
638   HeapWord* mr_start = mr.start();                                              \
652       size_t word_sz = oop(bottom)->oop_iterate_size(cl, mr);                   \
659 void FreeListSpaceDCTOC::walk_mem_region_with_cl_nopar(MemRegion mr,            \
663   /* Skip parts that are before "mr", in case "block_start" sent us             \
665   HeapWord* mr_start = mr.start();                                              \
679       size_t word_sz = oop(bottom)->oop_iterate_size(cl, mr);                   \
793 void CompactibleFreeListSpace::object_iterate_mem(MemRegion mr,
797   assert(!mr.is_empty(), "Should be non-empty");
804   assert(MemRegion(bottom(), end()).contains(mr),
807   if (prev >= mr.end()) { // nothing to do
816   if (prev > mr.start()) {
829     region_start_addr = mr.start();
832   HeapWord* region_end_addr = mr.end();
858 CompactibleFreeListSpace::object_iterate_careful_m(MemRegion mr,
866   assert(!mr.is_empty() && MemRegion(bottom(),end()).contains(mr),
867          "mr should be non-empty and within used space");
870   for (addr = block_start_careful(mr.start()), end  = mr.end();
883       size = cl->do_object_careful_m(oop(addr), mr);