| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.providers.contacts.util; |
| |
| import com.android.internal.util.MemInfoReader; |
| |
| public final class MemoryUtils { |
| private MemoryUtils() { |
| } |
| |
| private static long sTotalMemorySize = -1; |
| |
| /** |
| * Returns the amount of RAM available to the Linux kernel, i.e. whatever is left after all the |
| * other chips stake their claim, including GPUs, DSPs, cell radios, and any other greedy chips |
| * (in other words: this is probably less than the "RAM: 1 GB" that was printed on the |
| * box in far too big letters) |
| */ |
| public static long getTotalMemorySize() { |
| if (sTotalMemorySize < 0) { |
| MemInfoReader reader = new MemInfoReader(); |
| reader.readMemInfo(); |
| |
| // getTotalSize() returns the "MemTotal" value from /proc/meminfo. |
| sTotalMemorySize = reader.getTotalSize(); |
| } |
| return sTotalMemorySize; |
| } |
| } |