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comparison src/share/vm/gc_implementation/parNew/parGCAllocBuffer.cpp @ 301:387a62b4be60

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6728478: Assertion at parallel promotion from young to old generation Summary: The fix avoids a call to address_for_index() in this particular situation where it is not known if the passed index is in bounds. Reviewed-by: tonyp
author jmasa
date Wed, 20 Aug 2008 23:05:04 -0700
parents d1605aabd0a1
children 7d7a7c599c17
comparison
equal deleted inserted replaced
300:bfcb639d5bca 301:387a62b4be60
227 // the first card with a garbage object. 227 // the first card with a garbage object.
228 size_t first_card_index = _bsa->index_for(pre_top); 228 size_t first_card_index = _bsa->index_for(pre_top);
229 HeapWord* first_card_start = _bsa->address_for_index(first_card_index); 229 HeapWord* first_card_start = _bsa->address_for_index(first_card_index);
230 if (first_card_start < pre_top) { 230 if (first_card_start < pre_top) {
231 HeapWord* second_card_start = 231 HeapWord* second_card_start =
232 _bsa->address_for_index(first_card_index + 1); 232 _bsa->inc_by_region_size(first_card_start);
233 233
234 // Ensure enough room to fill with the smallest block 234 // Ensure enough room to fill with the smallest block
235 second_card_start = MAX2(second_card_start, pre_top + AlignmentReserve); 235 second_card_start = MAX2(second_card_start, pre_top + AlignmentReserve);
236 236
237 // If the end is already in the first card, don't go beyond it! 237 // If the end is already in the first card, don't go beyond it!