RFE_8195103_reduce_initial_card_marks
0 /*
1 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
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0 /*
1 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
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103 if (n_threads > 0) {
104 #if INCLUDE_ALL_GCS
105 non_clean_card_iterate_parallel_work(sp, mr, cl, ct, n_threads);
106 #else // INCLUDE_ALL_GCS
107 fatal("Parallel gc not supported here.");
108 #endif // INCLUDE_ALL_GCS
109 } else {
110 // clear_cl finds contiguous dirty ranges of cards to process and clear.
111
112 // This is the single-threaded version used by DefNew.
113 const bool parallel = false;
114
115 DirtyCardToOopClosure* dcto_cl = sp->new_dcto_cl(cl, precision(), cl->gen_boundary(), parallel);
116 ClearNoncleanCardWrapper clear_cl(dcto_cl, ct, parallel);
117
118 clear_cl.do_MemRegion(mr);
119 }
120 }
121 }
122
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103 if (n_threads > 0) {
104 #if INCLUDE_ALL_GCS
105 non_clean_card_iterate_parallel_work(sp, mr, cl, ct, n_threads);
106 #else // INCLUDE_ALL_GCS
107 fatal("Parallel gc not supported here.");
108 #endif // INCLUDE_ALL_GCS
109 } else {
110 // clear_cl finds contiguous dirty ranges of cards to process and clear.
111
112 // This is the single-threaded version used by DefNew.
113 const bool parallel = false;
114
115 DirtyCardToOopClosure* dcto_cl = sp->new_dcto_cl(cl, precision(), cl->gen_boundary(), parallel);
116 ClearNoncleanCardWrapper clear_cl(dcto_cl, ct, parallel);
117
118 clear_cl.do_MemRegion(mr);
119 }
120 }
121 }
122
123 bool CardTableModRefBSForCTRS::is_in_young(oop obj) const {
124 return GenCollectedHeap::heap()->is_in_young(obj);
125 }
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