Improve handling of low memory.

Now classify background processes into a set of bins of how much
memory they should try to clear.  The last bin also involves
destroying all activities in that process.

Removed the old code for the simulator that is no longer needed
(yay).  The debugging features it had are now integrated into the
regular oom adj code.

Small fixes to load average service.

Change-Id: Ic8df401714b188c73b50dbc8f8e6345b58f1f3a0

1 files changed, 15 insertions, 0 deletions

diff --git a/core/java/android/app/ApplicationThreadNative.java b/core/java/android/app/ApplicationThreadNative.java
index dc0f5298d2b0..16181e0e8742 100644
--- a/core/java/android/app/ApplicationThreadNative.java
+++ b/core/java/android/app/ApplicationThreadNative.java
@@ -478,6 +478,13 @@ public abstract class ApplicationThreadNative extends Binder
             updatePackageCompatibilityInfo(pkg, compat);
             return true;
         }
+
+        case SCHEDULE_TRIM_MEMORY_TRANSACTION: {
+            data.enforceInterface(IApplicationThread.descriptor);
+            int level = data.readInt();
+            scheduleTrimMemory(level);
+            return true;
+        }
         }
 
         return super.onTransact(code, data, reply, flags);
@@ -989,4 +996,12 @@ class ApplicationThreadProxy implements IApplicationThread {
         mRemote.transact(UPDATE_PACKAGE_COMPATIBILITY_INFO_TRANSACTION, data, null,
                 IBinder.FLAG_ONEWAY);
     }
+
+    public void scheduleTrimMemory(int level) throws RemoteException {
+        Parcel data = Parcel.obtain();
+        data.writeInterfaceToken(IApplicationThread.descriptor);
+        data.writeInt(level);
+        mRemote.transact(SCHEDULE_TRIM_MEMORY_TRANSACTION, data, null,
+                IBinder.FLAG_ONEWAY);
+    }
 }