Path: blob/master/src/hotspot/share/gc/parallel/psPromotionLAB.inline.hpp
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/*1* Copyright (c) 2014, 2020, 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 it5* under the terms of the GNU General Public License version 2 only, as6* published by the Free Software Foundation.7*8* This code is distributed in the hope that it will be useful, but WITHOUT9* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or10* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License11* version 2 for more details (a copy is included in the LICENSE file that12* accompanied this code).13*14* You should have received a copy of the GNU General Public License version15* 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 USA19* or visit www.oracle.com if you need additional information or have any20* questions.21*22*/2324#ifndef SHARE_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP25#define SHARE_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP2627#include "gc/parallel/psPromotionLAB.hpp"2829#include "gc/shared/collectedHeap.inline.hpp"30#include "utilities/align.hpp"3132HeapWord* PSYoungPromotionLAB::allocate(size_t size) {33// Can't assert this, when young fills, we keep the LAB around, but flushed.34// assert(_state != flushed, "Sanity");35HeapWord* obj = top();36if (size <= pointer_delta(end(), obj)) {37HeapWord* new_top = obj + size;38set_top(new_top);39assert(is_object_aligned(new_top), "checking alignment");40return obj;41} else {42return NULL;43}44}4546#endif // SHARE_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP474849