Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/cardTableRS.cpp
src/share/vm/memory/cardTableRS.cpp
- changeset 2825
- 1f4413413144
- parent 2819
- c48ad6ab8bdf
- child 2889
- fc2b798ab316
equal
deleted
inserted
replaced
| 2824:c303b3532d4a | 2825:1f4413413144 |
|---|---|
| 248 OopsInGenClosure* cl) { | 248 OopsInGenClosure* cl) { |
| 249 DirtyCardToOopClosure* dcto_cl = sp->new_dcto_cl(cl, _ct_bs->precision(), | 249 DirtyCardToOopClosure* dcto_cl = sp->new_dcto_cl(cl, _ct_bs->precision(), |
| 250 cl->gen_boundary()); | 250 cl->gen_boundary()); |
| 251 ClearNoncleanCardWrapper clear_cl(dcto_cl, this); | 251 ClearNoncleanCardWrapper clear_cl(dcto_cl, this); |
| 252 | 252 |
| 253 _ct_bs->non_clean_card_iterate_possibly_parallel(sp, sp->used_region_at_save_marks(), | 253 const MemRegion urasm = sp->used_region_at_save_marks(); |
| 254 #ifdef ASSERT | |
| 255 // Convert the assertion check to a warning if we are running | |
| 256 // CMS+ParNew until related bug is fixed. | |
| 257 MemRegion ur = sp->used_region(); | |
| 258 assert(ur.contains(urasm) || (UseConcMarkSweepGC && UseParNewGC), | |
| 259 err_msg("Did you forget to call save_marks()? " | |
| 260 "[" PTR_FORMAT ", " PTR_FORMAT ") is not contained in " | |
| 261 "[" PTR_FORMAT ", " PTR_FORMAT ")", | |
| 262 urasm.start(), urasm.end(), ur.start(), ur.end())); | |
| 263 // In the case of CMS+ParNew, issue a warning | |
| 264 if (!ur.contains(urasm)) { | |
| 265 assert(UseConcMarkSweepGC && UseParNewGC, "Tautology: see assert above"); | |
| 266 warning("CMS+ParNew: Did you forget to call save_marks()? " | |
| 267 "[" PTR_FORMAT ", " PTR_FORMAT ") is not contained in " | |
| 268 "[" PTR_FORMAT ", " PTR_FORMAT ")", | |
| 269 urasm.start(), urasm.end(), ur.start(), ur.end()); | |
| 270 MemRegion ur2 = sp->used_region(); | |
| 271 MemRegion urasm2 = sp->used_region_at_save_marks(); | |
| 272 if (!ur.equals(ur2)) { | |
| 273 warning("CMS+ParNew: Flickering used_region()!!"); | |
| 274 } | |
| 275 if (!urasm.equals(urasm2)) { | |
| 276 warning("CMS+ParNew: Flickering used_region_at_save_marks()!!"); | |
| 277 } | |
| 278 } | |
| 279 #endif | |
| 280 _ct_bs->non_clean_card_iterate_possibly_parallel(sp, urasm, | |
| 254 dcto_cl, &clear_cl); | 281 dcto_cl, &clear_cl); |
| 255 } | 282 } |
| 256 | 283 |
| 257 void CardTableRS::clear_into_younger(Generation* gen, bool clear_perm) { | 284 void CardTableRS::clear_into_younger(Generation* gen, bool clear_perm) { |
| 258 GenCollectedHeap* gch = GenCollectedHeap::heap(); | 285 GenCollectedHeap* gch = GenCollectedHeap::heap(); |
