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) 20