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src/share/vm/gc_implementation/g1/g1AllocRegion.inline.hpp@8966c2d65d96 (annotated)
src/share/vm/gc_implementation/g1/g1AllocRegion.inline.hpp
Tue, 25 Sep 2012 14:58:12 +0200
- author
- brutisso
- date
- Tue, 25 Sep 2012 14:58:12 +0200
- changeset 4098
- 8966c2d65d96
- parent 0
- f90c822e73f8
- child 6990
- 1526a938e670
- permissions
- -rw-r--r--
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
Summary: Removed the unused keep_alive parameter
Reviewed-by: stefank, dholmes, kamg, coleenp
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1ALLOCREGION_INLINE_HPP |
| aoqi@0 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_G1_G1ALLOCREGION_INLINE_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "gc_implementation/g1/g1AllocRegion.hpp" |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | inline HeapWord* G1AllocRegion::allocate(HeapRegion* alloc_region, |
| aoqi@0 | 31 | size_t word_size, |
| aoqi@0 | 32 | bool bot_updates) { |
| aoqi@0 | 33 | assert(alloc_region != NULL, err_msg("pre-condition")); |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | if (!bot_updates) { |
| aoqi@0 | 36 | return alloc_region->allocate_no_bot_updates(word_size); |
| aoqi@0 | 37 | } else { |
| aoqi@0 | 38 | return alloc_region->allocate(word_size); |
| aoqi@0 | 39 | } |
| aoqi@0 | 40 | } |
| aoqi@0 | 41 | |
| aoqi@0 | 42 | inline HeapWord* G1AllocRegion::par_allocate(HeapRegion* alloc_region, |
| aoqi@0 | 43 | size_t word_size, |
| aoqi@0 | 44 | bool bot_updates) { |
| aoqi@0 | 45 | assert(alloc_region != NULL, err_msg("pre-condition")); |
| aoqi@0 | 46 | assert(!alloc_region->is_empty(), err_msg("pre-condition")); |
| aoqi@0 | 47 | |
| aoqi@0 | 48 | if (!bot_updates) { |
| aoqi@0 | 49 | return alloc_region->par_allocate_no_bot_updates(word_size); |
| aoqi@0 | 50 | } else { |
| aoqi@0 | 51 | return alloc_region->par_allocate(word_size); |
| aoqi@0 | 52 | } |
| aoqi@0 | 53 | } |
| aoqi@0 | 54 | |
| aoqi@0 | 55 | inline HeapWord* G1AllocRegion::attempt_allocation(size_t word_size, |
| aoqi@0 | 56 | bool bot_updates) { |
| aoqi@0 | 57 | assert(bot_updates == _bot_updates, ar_ext_msg(this, "pre-condition")); |
| aoqi@0 | 58 | |
| aoqi@0 | 59 | HeapRegion* alloc_region = _alloc_region; |
| aoqi@0 | 60 | assert(alloc_region != NULL, ar_ext_msg(this, "not initialized properly")); |
| aoqi@0 | 61 | |
| aoqi@0 | 62 | HeapWord* result = par_allocate(alloc_region, word_size, bot_updates); |
| aoqi@0 | 63 | if (result != NULL) { |
| aoqi@0 | 64 | trace("alloc", word_size, result); |
| aoqi@0 | 65 | return result; |
| aoqi@0 | 66 | } |
| aoqi@0 | 67 | trace("alloc failed", word_size); |
| aoqi@0 | 68 | return NULL; |
| aoqi@0 | 69 | } |
| aoqi@0 | 70 | |
| aoqi@0 | 71 | inline HeapWord* G1AllocRegion::attempt_allocation_locked(size_t word_size, |
| aoqi@0 | 72 | bool bot_updates) { |
| aoqi@0 | 73 | // First we have to tedo the allocation, assuming we're holding the |
| aoqi@0 | 74 | // appropriate lock, in case another thread changed the region while |
| aoqi@0 | 75 | // we were waiting to get the lock. |
| aoqi@0 | 76 | HeapWord* result = attempt_allocation(word_size, bot_updates); |
| aoqi@0 | 77 | if (result != NULL) { |
| aoqi@0 | 78 | return result; |
| aoqi@0 | 79 | } |
| aoqi@0 | 80 | |
| aoqi@0 | 81 | retire(true /* fill_up */); |
| aoqi@0 | 82 | result = new_alloc_region_and_allocate(word_size, false /* force */); |
| aoqi@0 | 83 | if (result != NULL) { |
| aoqi@0 | 84 | trace("alloc locked (second attempt)", word_size, result); |
| aoqi@0 | 85 | return result; |
| aoqi@0 | 86 | } |
| aoqi@0 | 87 | trace("alloc locked failed", word_size); |
| aoqi@0 | 88 | return NULL; |
| aoqi@0 | 89 | } |
| aoqi@0 | 90 | |
| aoqi@0 | 91 | inline HeapWord* G1AllocRegion::attempt_allocation_force(size_t word_size, |
| aoqi@0 | 92 | bool bot_updates) { |
| aoqi@0 | 93 | assert(bot_updates == _bot_updates, ar_ext_msg(this, "pre-condition")); |
| aoqi@0 | 94 | assert(_alloc_region != NULL, ar_ext_msg(this, "not initialized properly")); |
| aoqi@0 | 95 | |
| aoqi@0 | 96 | trace("forcing alloc"); |
| aoqi@0 | 97 | HeapWord* result = new_alloc_region_and_allocate(word_size, true /* force */); |
| aoqi@0 | 98 | if (result != NULL) { |
| aoqi@0 | 99 | trace("alloc forced", word_size, result); |
| aoqi@0 | 100 | return result; |
| aoqi@0 | 101 | } |
| aoqi@0 | 102 | trace("alloc forced failed", word_size); |
| aoqi@0 | 103 | return NULL; |
| aoqi@0 | 104 | } |
| aoqi@0 | 105 | |
| aoqi@0 | 106 | #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1ALLOCREGION_INLINE_HPP |
