1 /* 2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 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 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_GC_SHARED_PLAB_INLINE_HPP 26 #define SHARE_VM_GC_SHARED_PLAB_INLINE_HPP 27 28 #include "gc/shared/collectedHeap.inline.hpp" 29 #include "gc/shared/plab.hpp" 30 #include "memory/allocation.inline.hpp" 31 #include "runtime/atomic.hpp" 32 33 inline HeapWord* PLAB::allocate_aligned(size_t word_sz, unsigned short alignment_in_bytes) { 34 HeapWord* res = CollectedHeap::align_allocation_or_fail(_top, _end, alignment_in_bytes); 35 if (res == NULL) { 36 return NULL; 37 } 38 39 // Set _top so that allocate(), which expects _top to be correctly set, 40 // can be used below. 41 _top = res; 42 return allocate(word_sz); 43 } 44 45 void PLABStats::add_allocated(size_t v) { 46 Atomic::add_ptr(v, &_allocated); 47 } 48 49 void PLABStats::add_unused(size_t v) { 50 Atomic::add_ptr(v, &_unused); 51 } 52 53 void PLABStats::add_wasted(size_t v) { 54 Atomic::add_ptr(v, &_wasted); 55 } 56 57 void PLABStats::add_undo_wasted(size_t v) { 58 Atomic::add_ptr(v, &_undo_wasted); 59 } 60 61 #endif // SHARE_VM_GC_SHARED_PLAB_INLINE_HPP