Index: base/memory/memory_pressure_level_list.h |
diff --git a/base/memory/memory_pressure_level_list.h b/base/memory/memory_pressure_level_list.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d65e985a9021034562463da275146390090afab9 |
--- /dev/null |
+++ b/base/memory/memory_pressure_level_list.h |
@@ -0,0 +1,19 @@ |
+// Copyright (c) 2013 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+// This file intentionally does not have header guards, it's included |
+// inside a macro to generate enum and a java class for the values. |
+ |
+#ifndef DEFINE_MEMORY_PRESSURE_LEVEL |
+#error "DEFINE_MEMORY_PRESSURE_LEVEL should be defined." |
+#endif |
+ |
+// Modules are advised to free buffers that are cheap to re-allocate and not |
+// immediately needed. |
+DEFINE_MEMORY_PRESSURE_LEVEL(MEMORY_PRESSURE_MODERATE, 0) |
+ |
+// At this level, modules are advised to free all possible memory. |
+// The alternative is to be killed by the system, which means all memory will |
+// have to be re-created, plus the cost of a cold start. |
+DEFINE_MEMORY_PRESSURE_LEVEL(MEMORY_PRESSURE_CRITICAL, 2) |