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comparison src/share/vm/memory/cardTableModRefBS.cpp @ 4098:ea640b5e949a

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7106024: CMS: Removed unused code for precleaning in remark phase Summary: Remove dead code. Reviewed-by: stefank, ysr
author jmasa
date Tue, 22 Nov 2011 14:18:39 -0800
parents bca17e38de00
children fd09f2d8283e
comparison
equal deleted inserted replaced
4097:dc467e8b2c5e 4098:ea640b5e949a
660 } 660 }
661 } 661 }
662 return MemRegion(mr.end(), mr.end()); 662 return MemRegion(mr.end(), mr.end());
663 } 663 }
664 664
665 // Set all the dirty cards in the given region to "precleaned" state.
666 void CardTableModRefBS::preclean_dirty_cards(MemRegion mr) {
667 for (int i = 0; i < _cur_covered_regions; i++) {
668 MemRegion mri = mr.intersection(_covered[i]);
669 if (!mri.is_empty()) {
670 jbyte *cur_entry, *limit;
671 for (cur_entry = byte_for(mri.start()), limit = byte_for(mri.last());
672 cur_entry <= limit;
673 cur_entry++) {
674 if (*cur_entry == dirty_card) {
675 *cur_entry = precleaned_card;
676 }
677 }
678 }
679 }
680 }
681
682 uintx CardTableModRefBS::ct_max_alignment_constraint() { 665 uintx CardTableModRefBS::ct_max_alignment_constraint() {
683 return card_size * os::vm_page_size(); 666 return card_size * os::vm_page_size();
684 } 667 }
685 668
686 void CardTableModRefBS::verify_guard() { 669 void CardTableModRefBS::verify_guard() {