Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/g1/g1RemSet.cpp @ 2188:c33825b68624
6923430: G1: assert(res != 0,"This should have worked.")
7007446: G1: expand the heap with a single step, not one region at a time
Summary: Changed G1CollectedHeap::expand() to expand the committed space by calling VirtualSpace::expand_by() once rather than for every region in the expansion amount. This allows the success or failure of the expansion to be determined before creating any heap regions. Introduced a develop flag G1ExitOnExpansionFailure (false by default) that, when true, will exit the VM if the expansion of the committed space fails. Finally G1CollectedHeap::expand() returns a status back to it's caller so that the caller knows whether to attempt the allocation.
Reviewed-by: brutisso, tonyp
author | johnc |
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date | Wed, 02 Feb 2011 10:41:20 -0800 |
parents | f95d63e2154a |
children | 1216415d8e35 |
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2187:986b2844f7a2 | 2188:c33825b68624 |
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1 /* | 1 /* |
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | 4 * |
5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
733 | 733 |
734 HeapWord* end = _ct_bs->addr_for(card_ptr + 1); | 734 HeapWord* end = _ct_bs->addr_for(card_ptr + 1); |
735 MemRegion dirtyRegion(start, end); | 735 MemRegion dirtyRegion(start, end); |
736 | 736 |
737 #if CARD_REPEAT_HISTO | 737 #if CARD_REPEAT_HISTO |
738 init_ct_freq_table(_g1->g1_reserved_obj_bytes()); | 738 init_ct_freq_table(_g1->max_capacity()); |
739 ct_freq_note_card(_ct_bs->index_for(start)); | 739 ct_freq_note_card(_ct_bs->index_for(start)); |
740 #endif | 740 #endif |
741 | 741 |
742 assert(!check_for_refs_into_cset || _cset_rs_update_cl[worker_i] != NULL, "sanity"); | 742 assert(!check_for_refs_into_cset || _cset_rs_update_cl[worker_i] != NULL, "sanity"); |
743 UpdateRSOrPushRefOopClosure update_rs_oop_cl(_g1, | 743 UpdateRSOrPushRefOopClosure update_rs_oop_cl(_g1, |