equal
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1 /* |
1 /* |
2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2014, 2018, 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. |
77 if (result) { |
77 if (result) { |
78 size_t new_word_size = |
78 size_t new_word_size = |
79 heap_word_size(_virtual_space.committed_size()); |
79 heap_word_size(_virtual_space.committed_size()); |
80 MemRegion mr(space()->bottom(), new_word_size); |
80 MemRegion mr(space()->bottom(), new_word_size); |
81 // Expand card table |
81 // Expand card table |
82 GenCollectedHeap::heap()->barrier_set()->resize_covered_region(mr); |
82 GenCollectedHeap::heap()->rem_set()->resize_covered_region(mr); |
83 // Expand shared block offset array |
83 // Expand shared block offset array |
84 _bts->resize(new_word_size); |
84 _bts->resize(new_word_size); |
85 |
85 |
86 // Fix for bug #4668531 |
86 // Fix for bug #4668531 |
87 if (ZapUnusedHeapArea) { |
87 if (ZapUnusedHeapArea) { |
164 size_t new_word_size = heap_word_size(space()->capacity()); |
164 size_t new_word_size = heap_word_size(space()->capacity()); |
165 // Shrink the shared block offset array |
165 // Shrink the shared block offset array |
166 _bts->resize(new_word_size); |
166 _bts->resize(new_word_size); |
167 MemRegion mr(space()->bottom(), new_word_size); |
167 MemRegion mr(space()->bottom(), new_word_size); |
168 // Shrink the card table |
168 // Shrink the card table |
169 GenCollectedHeap::heap()->barrier_set()->resize_covered_region(mr); |
169 GenCollectedHeap::heap()->rem_set()->resize_covered_region(mr); |
170 |
170 |
171 size_t new_mem_size = _virtual_space.committed_size(); |
171 size_t new_mem_size = _virtual_space.committed_size(); |
172 size_t old_mem_size = new_mem_size + size; |
172 size_t old_mem_size = new_mem_size + size; |
173 log_trace(gc, heap)("Shrinking %s from " SIZE_FORMAT "K to " SIZE_FORMAT "K", |
173 log_trace(gc, heap)("Shrinking %s from " SIZE_FORMAT "K to " SIZE_FORMAT "K", |
174 name(), old_mem_size/K, new_mem_size/K); |
174 name(), old_mem_size/K, new_mem_size/K); |