Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp
src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp
- changeset 2301
- 9eecf81a02fb
- parent 2294
- 4df7f8cba524
- child 2314
- f95d63e2154a
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| 2296:e3e1fb85e50a | 2301:9eecf81a02fb |
|---|---|
| 1091 // the main marking bitmap in the sweeping phase or, if it's a permanent | 1091 // the main marking bitmap in the sweeping phase or, if it's a permanent |
| 1092 // generation and we're not in the sweeping phase, by checking the | 1092 // generation and we're not in the sweeping phase, by checking the |
| 1093 // perm_gen_verify_bit_map where we store the "deadness" information if | 1093 // perm_gen_verify_bit_map where we store the "deadness" information if |
| 1094 // we did not sweep the perm gen in the most recent previous GC cycle. | 1094 // we did not sweep the perm gen in the most recent previous GC cycle. |
| 1095 bool CompactibleFreeListSpace::obj_is_alive(const HeapWord* p) const { | 1095 bool CompactibleFreeListSpace::obj_is_alive(const HeapWord* p) const { |
| 1096 assert(SafepointSynchronize::is_at_safepoint() || !is_init_completed(), | |
| 1097 "Else races are possible"); | |
| 1096 assert(block_is_obj(p), "The address should point to an object"); | 1098 assert(block_is_obj(p), "The address should point to an object"); |
| 1097 assert(SafepointSynchronize::is_at_safepoint(), "Else races are possible"); | |
| 1098 | 1099 |
| 1099 // If we're sweeping, we use object liveness information from the main bit map | 1100 // If we're sweeping, we use object liveness information from the main bit map |
| 1100 // for both perm gen and old gen. | 1101 // for both perm gen and old gen. |
| 1101 // We don't need to lock the bitmap (live_map or dead_map below), because | 1102 // We don't need to lock the bitmap (live_map or dead_map below), because |
| 1102 // EITHER we are in the middle of the sweeping phase, and the | 1103 // EITHER we are in the middle of the sweeping phase, and the |
