/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public class Main {
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public static void main(String[] args) {
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// Reserve around 1/4 of the RAM for keeping objects live.
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long maxMem = Runtime.getRuntime().maxMemory();
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Object[] holder = new Object[(int)maxMem / 16];
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int count = 0;
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try {
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while (true) {
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holder[count++] = new Object[1025]; // A bit over one page.
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}
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} catch (OutOfMemoryError e) {}
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for (int i = 0; i < count; ++i) {
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holder[i] = null;
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}
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// Make sure the heap can handle allocating large object array. This makes sure that free
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// pages are correctly coalesced together by the allocator.
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holder[0] = new Object[(int)maxMem / 8];
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}
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}
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