diff --git a/libs/binder/IUidObserver.cpp b/libs/binder/IUidObserver.cpp
index a1b08db..d952dc7 100644
--- a/libs/binder/IUidObserver.cpp
+++ b/libs/binder/IUidObserver.cpp
@@ -57,8 +57,7 @@
     }
 
     virtual void onUidStateChanged(uid_t uid, int32_t procState, int64_t procStateSeq,
-            int32_t capability)
-    {
+                                   int32_t capability) {
         Parcel data, reply;
         data.writeInterfaceToken(IUidObserver::getInterfaceDescriptor());
         data.writeInt32((int32_t) uid);
@@ -67,6 +66,12 @@
         data.writeInt32(capability);
         remote()->transact(ON_UID_STATE_CHANGED_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
     }
+
+    virtual void onUidProcAdjChanged(uid_t uid) {
+        Parcel data, reply;
+        data.writeInt32((int32_t)uid);
+        remote()->transact(ON_UID_PROC_ADJ_CHANGED_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
+    }
 };
 
 // ----------------------------------------------------------------------
@@ -102,6 +107,7 @@
             onUidIdle(uid, disabled);
             return NO_ERROR;
         } break;
+
         case ON_UID_STATE_CHANGED_TRANSACTION: {
             CHECK_INTERFACE(IUidObserver, data, reply);
             uid_t uid = data.readInt32();
@@ -111,6 +117,14 @@
             onUidStateChanged(uid, procState, procStateSeq, capability);
             return NO_ERROR;
         } break;
+
+        case ON_UID_PROC_ADJ_CHANGED_TRANSACTION: {
+            CHECK_INTERFACE(IUidObserver, data, reply);
+            uid_t uid = data.readInt32();
+            onUidProcAdjChanged(uid);
+            return NO_ERROR;
+        } break;
+
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
diff --git a/libs/binder/include_activitymanager/binder/ActivityManager.h b/libs/binder/include_activitymanager/binder/ActivityManager.h
index b772b80..5788d41 100644
--- a/libs/binder/include_activitymanager/binder/ActivityManager.h
+++ b/libs/binder/include_activitymanager/binder/ActivityManager.h
@@ -32,20 +32,21 @@
 class ActivityManager
 {
 public:
-
     enum {
         // Flag for registerUidObserver: report uid state changed
-        UID_OBSERVER_PROCSTATE = 1<<0,
+        UID_OBSERVER_PROCSTATE = 1 << 0,
         // Flag for registerUidObserver: report uid gone
-        UID_OBSERVER_GONE = 1<<1,
+        UID_OBSERVER_GONE = 1 << 1,
         // Flag for registerUidObserver: report uid has become idle
-        UID_OBSERVER_IDLE = 1<<2,
+        UID_OBSERVER_IDLE = 1 << 2,
         // Flag for registerUidObserver: report uid has become active
-        UID_OBSERVER_ACTIVE = 1<<3,
+        UID_OBSERVER_ACTIVE = 1 << 3,
         // Flag for registerUidObserver: report uid cached state has changed
-        UID_OBSERVER_CACHED = 1<<4,
+        UID_OBSERVER_CACHED = 1 << 4,
         // Flag for registerUidObserver: report uid capability has changed
-        UID_OBSERVER_CAPABILITY = 1<<5,
+        UID_OBSERVER_CAPABILITY = 1 << 5,
+        // Flag for registerUidObserver: report pid oom adj has changed
+        UID_OBSERVER_PROC_OOM_ADJ = 1 << 6,
     };
 
     // PROCESS_STATE_* must come from frameworks/base/core/java/android/app/ProcessStateEnum.aidl.
diff --git a/libs/binder/include_activitymanager/binder/IUidObserver.h b/libs/binder/include_activitymanager/binder/IUidObserver.h
index 9291c0b..17f03a9 100644
--- a/libs/binder/include_activitymanager/binder/IUidObserver.h
+++ b/libs/binder/include_activitymanager/binder/IUidObserver.h
@@ -33,13 +33,15 @@
     virtual void onUidActive(uid_t uid) = 0;
     virtual void onUidIdle(uid_t uid, bool disabled) = 0;
     virtual void onUidStateChanged(uid_t uid, int32_t procState, int64_t procStateSeq,
-            int32_t capability) = 0;
+                                   int32_t capability) = 0;
+    virtual void onUidProcAdjChanged(uid_t uid) = 0;
 
     enum {
         ON_UID_GONE_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
         ON_UID_ACTIVE_TRANSACTION,
         ON_UID_IDLE_TRANSACTION,
-        ON_UID_STATE_CHANGED_TRANSACTION
+        ON_UID_STATE_CHANGED_TRANSACTION,
+        ON_UID_PROC_ADJ_CHANGED_TRANSACTION
     };
 };