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comparison src/share/vm/gc_implementation/g1/concurrentMark.inline.hpp @ 20337:1f1d373cd044

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8038423: G1: Decommit memory within heap Summary: Allow G1 to decommit memory of arbitrary regions within the heap and their associated auxiliary data structures card table, BOT, hot card cache, and mark bitmaps. Reviewed-by: mgerdin, brutisso, jwilhelm
author tschatzl
date Thu, 21 Aug 2014 11:47:10 +0200
parents 78bbf4d43a14
children a8ea2f110d87
comparison
equal deleted inserted replaced
20336:6701abbc4441 20337:1f1d373cd044
266 inline bool CMBitMapRO::iterate(BitMapClosure* cl) { 266 inline bool CMBitMapRO::iterate(BitMapClosure* cl) {
267 MemRegion mr(startWord(), sizeInWords()); 267 MemRegion mr(startWord(), sizeInWords());
268 return iterate(cl, mr); 268 return iterate(cl, mr);
269 } 269 }
270 270
271 #define check_mark(addr) \
272 assert(_bmStartWord <= (addr) && (addr) < (_bmStartWord + _bmWordSize), \
273 "outside underlying space?"); \
274 assert(G1CollectedHeap::heap()->is_in_exact(addr), \
275 err_msg("Trying to access not available bitmap "PTR_FORMAT \
276 " corresponding to "PTR_FORMAT" (%u)", \
277 p2i(this), p2i(addr), G1CollectedHeap::heap()->addr_to_region(addr)));
278
279 inline void CMBitMap::mark(HeapWord* addr) {
280 check_mark(addr);
281 _bm.set_bit(heapWordToOffset(addr));
282 }
283
284 inline void CMBitMap::clear(HeapWord* addr) {
285 check_mark(addr);
286 _bm.clear_bit(heapWordToOffset(addr));
287 }
288
289 inline bool CMBitMap::parMark(HeapWord* addr) {
290 check_mark(addr);
291 return _bm.par_set_bit(heapWordToOffset(addr));
292 }
293
294 inline bool CMBitMap::parClear(HeapWord* addr) {
295 check_mark(addr);
296 return _bm.par_clear_bit(heapWordToOffset(addr));
297 }
298
299 #undef check_mark
300
271 inline void CMTask::push(oop obj) { 301 inline void CMTask::push(oop obj) {
272 HeapWord* objAddr = (HeapWord*) obj; 302 HeapWord* objAddr = (HeapWord*) obj;
273 assert(_g1h->is_in_g1_reserved(objAddr), "invariant"); 303 assert(_g1h->is_in_g1_reserved(objAddr), "invariant");
274 assert(!_g1h->is_on_master_free_list( 304 assert(!_g1h->is_on_master_free_list(
275 _g1h->heap_region_containing((HeapWord*) objAddr)), "invariant"); 305 _g1h->heap_region_containing((HeapWord*) objAddr)), "invariant");