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src/share/vm/gc_implementation/shared/parGCAllocBuffer.inline.hpp@9f28a4cac6d9 (annotated)
src/share/vm/gc_implementation/shared/parGCAllocBuffer.inline.hpp
Wed, 31 Jul 2019 14:28:51 -0400
- author
- kbarrett
- date
- Wed, 31 Jul 2019 14:28:51 -0400
- changeset 9787
- 9f28a4cac6d9
- parent 7031
- ee019285a52c
- permissions
- -rw-r--r--
8048556: Unnecessary GCLocker-initiated young GCs
Summary: Fixed recognition of unnecessary GCLocker collections.
Reviewed-by: pliden, tschatzl
Contributed-by: johnc@azul.com
| jmasa@7031 | 1 | /* |
| jmasa@7031 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| jmasa@7031 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| jmasa@7031 | 4 | * |
| jmasa@7031 | 5 | * This code is free software; you can redistribute it and/or modify it |
| jmasa@7031 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| jmasa@7031 | 7 | * published by the Free Software Foundation. |
| jmasa@7031 | 8 | * |
| jmasa@7031 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| jmasa@7031 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| jmasa@7031 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| jmasa@7031 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| jmasa@7031 | 13 | * accompanied this code). |
| jmasa@7031 | 14 | * |
| jmasa@7031 | 15 | * You should have received a copy of the GNU General Public License version |
| jmasa@7031 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| jmasa@7031 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| jmasa@7031 | 18 | * |
| jmasa@7031 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| jmasa@7031 | 20 | * or visit www.oracle.com if you need additional information or have any |
| jmasa@7031 | 21 | * questions. |
| jmasa@7031 | 22 | * |
| jmasa@7031 | 23 | */ |
| jmasa@7031 | 24 | |
| jmasa@7031 | 25 | #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_PARGCALLOCBUFFER_INLINE_HPP |
| jmasa@7031 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_SHARED_PARGCALLOCBUFFER_INLINE_HPP |
| jmasa@7031 | 27 | |
| jmasa@7031 | 28 | #include "gc_implementation/shared/parGCAllocBuffer.hpp" |
| jmasa@7031 | 29 | #include "gc_interface/collectedHeap.inline.hpp" |
| jmasa@7031 | 30 | |
| jmasa@7031 | 31 | HeapWord* ParGCAllocBuffer::allocate_aligned(size_t word_sz, unsigned short alignment_in_bytes) { |
| jmasa@7031 | 32 | |
| jmasa@7031 | 33 | HeapWord* res = CollectedHeap::align_allocation_or_fail(_top, _end, alignment_in_bytes); |
| jmasa@7031 | 34 | if (res == NULL) { |
| jmasa@7031 | 35 | return NULL; |
| jmasa@7031 | 36 | } |
| jmasa@7031 | 37 | |
| jmasa@7031 | 38 | // Set _top so that allocate(), which expects _top to be correctly set, |
| jmasa@7031 | 39 | // can be used below. |
| jmasa@7031 | 40 | _top = res; |
| jmasa@7031 | 41 | return allocate(word_sz); |
| jmasa@7031 | 42 | } |
| jmasa@7031 | 43 | |
| jmasa@7031 | 44 | #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_PARGCALLOCBUFFER_INLINE_HPP |
