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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // This file intentionally does not have header guards, it's included | |
| 6 // inside a macro to generate enum and a java class for the values. | |
| 7 | |
| 8 #ifndef DEFINE_MEMORY_PRESSURE_LEVEL | |
| 9 #error "DEFINE_MEMORY_PRESSURE_LEVEL should be defined." | |
| 10 #endif | |
| 11 | |
| 12 // Modules are advised to free buffers that are cheap to re-allocate and not | |
| 13 // immediately needed. | |
| 14 DEFINE_MEMORY_PRESSURE_LEVEL(MEMORY_PRESSURE_MODERATE, 0) | |
| 15 | |
| 16 // At this level, modules are advised to free all possible memory. | |
| 17 // The alternative is to be killed by the system, which means all memory will | |
| 18 // have to be re-created, plus the cost of a cold start. | |
| 19 DEFINE_MEMORY_PRESSURE_LEVEL(MEMORY_PRESSURE_CRITICAL, 2) | |
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