| /* |
| * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_GC_G1_G1ALLOCREGION_INLINE_HPP |
| #define SHARE_VM_GC_G1_G1ALLOCREGION_INLINE_HPP |
| |
| #include "gc/g1/g1AllocRegion.hpp" |
| #include "gc/g1/heapRegion.inline.hpp" |
| |
| #define assert_alloc_region(p, message) \ |
| do { \ |
| assert((p), "[%s] %s c: %u b: %s r: " PTR_FORMAT " u: " SIZE_FORMAT, \ |
| _name, (message), _count, BOOL_TO_STR(_bot_updates), \ |
| p2i(_alloc_region), _used_bytes_before); \ |
| } while (0) |
| |
| |
| inline HeapWord* G1AllocRegion::allocate(HeapRegion* alloc_region, |
| size_t word_size, |
| bool bot_updates) { |
| assert(alloc_region != NULL, "pre-condition"); |
| |
| if (!bot_updates) { |
| return alloc_region->allocate_no_bot_updates(word_size); |
| } else { |
| return alloc_region->allocate(word_size); |
| } |
| } |
| |
| inline HeapWord* G1AllocRegion::par_allocate(HeapRegion* alloc_region, size_t word_size, bool bot_updates) { |
| size_t temp; |
| return par_allocate(alloc_region, word_size, word_size, &temp, bot_updates); |
| } |
| |
| inline HeapWord* G1AllocRegion::par_allocate(HeapRegion* alloc_region, |
| size_t min_word_size, |
| size_t desired_word_size, |
| size_t* actual_word_size, |
| bool bot_updates) { |
| assert(alloc_region != NULL, "pre-condition"); |
| assert(!alloc_region->is_empty(), "pre-condition"); |
| |
| if (!bot_updates) { |
| return alloc_region->par_allocate_no_bot_updates(min_word_size, desired_word_size, actual_word_size); |
| } else { |
| return alloc_region->par_allocate(min_word_size, desired_word_size, actual_word_size); |
| } |
| } |
| |
| inline HeapWord* G1AllocRegion::attempt_allocation(size_t word_size, bool bot_updates) { |
| size_t temp; |
| return attempt_allocation(word_size, word_size, &temp, bot_updates); |
| } |
| |
| inline HeapWord* G1AllocRegion::attempt_allocation(size_t min_word_size, |
| size_t desired_word_size, |
| size_t* actual_word_size, |
| bool bot_updates) { |
| assert_alloc_region(bot_updates == _bot_updates, "pre-condition"); |
| |
| HeapRegion* alloc_region = _alloc_region; |
| assert_alloc_region(alloc_region != NULL, "not initialized properly"); |
| |
| HeapWord* result = par_allocate(alloc_region, min_word_size, desired_word_size, actual_word_size, bot_updates); |
| if (result != NULL) { |
| trace("alloc", min_word_size, desired_word_size, *actual_word_size, result); |
| return result; |
| } |
| trace("alloc failed", min_word_size, desired_word_size); |
| return NULL; |
| } |
| |
| inline HeapWord* G1AllocRegion::attempt_allocation_locked(size_t word_size, bool bot_updates) { |
| size_t temp; |
| return attempt_allocation_locked(word_size, word_size, &temp, bot_updates); |
| } |
| |
| inline HeapWord* G1AllocRegion::attempt_allocation_locked(size_t min_word_size, |
| size_t desired_word_size, |
| size_t* actual_word_size, |
| bool bot_updates) { |
| // First we have to redo the allocation, assuming we're holding the |
| // appropriate lock, in case another thread changed the region while |
| // we were waiting to get the lock. |
| HeapWord* result = attempt_allocation(min_word_size, desired_word_size, actual_word_size, bot_updates); |
| if (result != NULL) { |
| return result; |
| } |
| |
| retire(true /* fill_up */); |
| result = new_alloc_region_and_allocate(desired_word_size, false /* force */); |
| if (result != NULL) { |
| *actual_word_size = desired_word_size; |
| trace("alloc locked (second attempt)", min_word_size, desired_word_size, *actual_word_size, result); |
| return result; |
| } |
| trace("alloc locked failed", min_word_size, desired_word_size); |
| return NULL; |
| } |
| |
| inline HeapWord* G1AllocRegion::attempt_allocation_force(size_t word_size, |
| bool bot_updates) { |
| assert_alloc_region(bot_updates == _bot_updates, "pre-condition"); |
| assert_alloc_region(_alloc_region != NULL, "not initialized properly"); |
| |
| trace("forcing alloc", word_size, word_size); |
| HeapWord* result = new_alloc_region_and_allocate(word_size, true /* force */); |
| if (result != NULL) { |
| trace("alloc forced", word_size, word_size, word_size, result); |
| return result; |
| } |
| trace("alloc forced failed", word_size, word_size); |
| return NULL; |
| } |
| |
| #endif // SHARE_VM_GC_G1_G1ALLOCREGION_INLINE_HPP |