Fri, 18 Feb 2011 10:07:34 -0800
7020042: G1: Partially remove fix for 6994628
Summary: Disable reference discovery and processing during concurrent marking by disabling fix for 6994628.
Reviewed-by: tonyp, ysr
1 /*
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
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23 */
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
28 #include "gc_implementation/g1/heapRegionSeq.hpp"
30 inline HeapRegion* HeapRegionSeq::addr_to_region(const void* addr) {
31 assert(_seq_bottom != NULL, "bad _seq_bottom in addr_to_region");
32 if ((char*) addr >= _seq_bottom) {
33 size_t diff = (size_t) pointer_delta((HeapWord*) addr,
34 (HeapWord*) _seq_bottom);
35 int index = (int) (diff >> HeapRegion::LogOfHRGrainWords);
36 assert(index >= 0, "invariant / paranoia");
37 if (index < _regions.length()) {
38 HeapRegion* hr = _regions.at(index);
39 assert(hr->is_in_reserved(addr),
40 "addr_to_region is wrong...");
41 return hr;
42 }
43 }
44 return NULL;
45 }
47 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP