Index: components/memory_coordinator/browser/memory_monitor_linux.cc |
diff --git a/components/memory_coordinator/browser/memory_monitor_linux.cc b/components/memory_coordinator/browser/memory_monitor_linux.cc |
deleted file mode 100644 |
index bd1cf500dae38fe9b9b3c490cdaef5bdff130379..0000000000000000000000000000000000000000 |
--- a/components/memory_coordinator/browser/memory_monitor_linux.cc |
+++ /dev/null |
@@ -1,54 +0,0 @@ |
-// Copyright (c) 2016 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. |
- |
-#include "components/memory_coordinator/browser/memory_monitor_linux.h" |
- |
-#include "base/memory/ptr_util.h" |
-#include "base/process/process_metrics.h" |
- |
-namespace memory_coordinator { |
- |
-namespace { |
- |
-// A global static instance of the default delegate. Used by default by |
-// MemoryMonitorLinux. |
-MemoryMonitorDelegate g_memory_monitor_delegate; |
bashi
2016/09/15 04:44:08
Replaced this with a singleton to fix -Wexit-time-
|
- |
-// The number of bits to shift to convert KiB to MiB. |
-const int kShiftKiBtoMiB = 10; |
- |
-} // namespace |
- |
-MemoryMonitorLinux::MemoryMonitorLinux(MemoryMonitorDelegate* delegate) |
- : delegate_(delegate) {} |
- |
-int MemoryMonitorLinux::GetFreeMemoryUntilCriticalMB() { |
- base::SystemMemoryInfoKB mem_info = {}; |
- delegate_->GetSystemMemoryInfo(&mem_info); |
- |
- // According to kernel commit 34e431b0ae398fc54ea69ff85ec700722c9da773, |
- // "available" is the "amount of memory that is available for a new workload |
- // without pushing the system into swap"; return that value if it is valid. |
- // Old linux kernels (before 3.14) don't support "available" and show zero |
- // instead. |
- if (mem_info.available > 0) |
- return mem_info.available >> kShiftKiBtoMiB; |
- |
- // If there is no "available" value, guess at it based on free memory and |
- // what the OS can easily discard. |
- return (mem_info.free + mem_info.buffers + mem_info.cached) >> kShiftKiBtoMiB; |
-} |
- |
-// static |
-std::unique_ptr<MemoryMonitorLinux> MemoryMonitorLinux::Create( |
- MemoryMonitorDelegate* delegate) { |
- return base::MakeUnique<MemoryMonitorLinux>(delegate); |
-} |
- |
-// Implementation of factory function defined in memory_monitor.h. |
-std::unique_ptr<MemoryMonitor> CreateMemoryMonitor() { |
- return MemoryMonitorLinux::Create(&g_memory_monitor_delegate); |
-} |
- |
-} // namespace memory_coordinator |