commit fdcc4d4235c829a41b4d23043431bb8fa915a440
author Chong Zhang <chz@google.com> Wed Oct 14 16:50:12 2015 -0700
committer Chong Zhang <chz@google.com> Wed Oct 21 18:16:19 2015 -0700
tree db4b4f74b3e5ee1f8053a2eaccb5839f73c9cc6d
parent 387d1b25b58bb2bb80d983b7db7ddac22731a552

Assign different oom score to visible apps based on layer ordering.

Pass oom score in kernel's full range [-1000,1000] to lmkd directly

bug: 21411311

Change-Id: I0cab2aa46269a716ea613025d3b84fe7d04404bb

services/core/java/com/android/server/am/TaskRecord.java

diff --git a/services/core/java/com/android/server/am/TaskRecord.java b/services/core/java/com/android/server/am/TaskRecord.java
index 1999f49..fe87a93 100644
--- a/services/core/java/com/android/server/am/TaskRecord.java
+++ b/services/core/java/com/android/server/am/TaskRecord.java
@@ -221,6 +221,10 @@
     // default minimal size.
     final int mMinimalSize;
 
+    // Ranking (from top) of this task among all visible tasks. (-1 means it's not visible)
+    // This number will be assigned when we evaluate OOM scores for all visible tasks.
+    int mLayerRank = -1;
+
     Configuration mOverrideConfig = Configuration.EMPTY;
 
     TaskRecord(ActivityManagerService service, int _taskId, ActivityInfo info, Intent _intent,