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comparison src/share/vm/gc_implementation/g1/sparsePRT.hpp @ 617:0db4adb6e914

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6810698: G1: two small bugs in the sparse remembered sets Summary: The _expanded flag of the sparse RSets is not reset and this can leave a RSet in an inconsistent state if it is expanded more than once. Also, we should be iterating over the _cur, instead of the _next, sparse table Reviewed-by: apetrusenko, iveresov
author tonyp
date Sat, 07 Mar 2009 11:07:36 -0500
parents fe3d7c11b4b7
children 7bb995fbd3c0
comparison
equal deleted inserted replaced
616:4f360ec815ba 617:0db4adb6e914
272 // Ensure that "_cur" and "_next" point to the same table. 272 // Ensure that "_cur" and "_next" point to the same table.
273 void cleanup(); 273 void cleanup();
274 274
275 // Clean up all tables on the expanded list. Called single threaded. 275 // Clean up all tables on the expanded list. Called single threaded.
276 static void cleanup_all(); 276 static void cleanup_all();
277 RSHashTable* next() const { return _next; } 277 RSHashTable* cur() const { return _cur; }
278 278
279 279
280 void init_iterator(SparsePRTIter* sprt_iter); 280 void init_iterator(SparsePRTIter* sprt_iter);
281 281
282 static void add_to_expanded_list(SparsePRT* sprt); 282 static void add_to_expanded_list(SparsePRT* sprt);
298 SparsePRTIter(size_t heap_bot_card_ind) : 298 SparsePRTIter(size_t heap_bot_card_ind) :
299 /* RSHashTable:: */RSHashTableIter(heap_bot_card_ind) 299 /* RSHashTable:: */RSHashTableIter(heap_bot_card_ind)
300 {} 300 {}
301 301
302 void init(const SparsePRT* sprt) { 302 void init(const SparsePRT* sprt) {
303 RSHashTableIter::init(sprt->next()); 303 RSHashTableIter::init(sprt->cur());
304 } 304 }
305 bool has_next(size_t& card_index) { 305 bool has_next(size_t& card_index) {
306 return RSHashTableIter::has_next(card_index); 306 return RSHashTableIter::has_next(card_index);
307 } 307 }
308 }; 308 };