diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 5f6356d97edb2..1359f663d1b83 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -3566,7 +3566,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             if (DEBUG_TASKS) Log.v(TAG, "Starting new activity " + r
                     + " in new task " + r.task);
             newTask = true;
-            addRecentTask(r.task);
+            addRecentTaskLocked(r.task);
             
         } else if (sourceRecord != null) {
             if (!addingToTask &&
@@ -3855,7 +3855,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
         }
     }
 
-    private final void addRecentTask(TaskRecord task) {
+    private final void addRecentTaskLocked(TaskRecord task) {
         // Remove any existing entries that are the same kind of task.
         int N = mRecentTasks.size();
         for (int i=0; i<N; i++) {
@@ -6887,7 +6887,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
                             taskTopI = -1;
                         }
                         replyChainEnd = -1;
-                        addRecentTask(target.task);
+                        addRecentTaskLocked(target.task);
                     } else if (forceReset || finishOnTaskLaunch
                             || clearWhenTaskReset) {
                         // If the activity should just be removed -- either
@@ -7109,7 +7109,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
                 moved.add(0, r);
                 top--;
                 if (first) {
-                    addRecentTask(r.task);
+                    addRecentTaskLocked(r.task);
                     first = false;
                 }
             }
@@ -7134,11 +7134,11 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             mWindowManager.validateAppTokens(mHistory);
         }
 
-        finishTaskMove(task);
+        finishTaskMoveLocked(task);
         EventLog.writeEvent(LOG_TASK_TO_FRONT, task);
     }
 
-    private final void finishTaskMove(int task) {
+    private final void finishTaskMoveLocked(int task) {
         resumeTopActivityLocked(null);
     }
 
@@ -7256,7 +7256,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             mWindowManager.validateAppTokens(mHistory);
         }
 
-        finishTaskMove(task);
+        finishTaskMoveLocked(task);
         return true;
     }
 
@@ -11564,7 +11564,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
     // BROADCASTS
     // =========================================================
 
-    private final List getStickies(String action, IntentFilter filter,
+    private final List getStickiesLocked(String action, IntentFilter filter,
             List cur) {
         final ContentResolver resolver = mContext.getContentResolver();
         final ArrayList<Intent> list = mStickyBroadcasts.get(action);
@@ -11616,10 +11616,10 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             if (actions != null) {
                 while (actions.hasNext()) {
                     String action = (String)actions.next();
-                    allSticky = getStickies(action, filter, allSticky);
+                    allSticky = getStickiesLocked(action, filter, allSticky);
                 }
             } else {
-                allSticky = getStickies(null, filter, allSticky);
+                allSticky = getStickiesLocked(null, filter, allSticky);
             }
 
             // The first sticky in the list is returned directly back to
@@ -13357,7 +13357,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
     /**
      * Returns true if things are idle enough to perform GCs.
      */
-    private final boolean canGcNow() {
+    private final boolean canGcNowLocked() {
         return mParallelBroadcasts.size() == 0
                 && mOrderedBroadcasts.size() == 0
                 && (mSleeping || (mResumedActivity != null &&
@@ -13373,7 +13373,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
         if (N <= 0) {
             return;
         }
-        if (canGcNow()) {
+        if (canGcNowLocked()) {
             while (mProcessesToGc.size() > 0) {
                 ProcessRecord proc = mProcessesToGc.remove(0);
                 if (proc.curRawAdj > VISIBLE_APP_ADJ || proc.reportLowMemory) {
@@ -13401,7 +13401,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
      * If all looks good, perform GCs on all processes waiting for them.
      */
     final void performAppGcsIfAppropriateLocked() {
-        if (canGcNow()) {
+        if (canGcNowLocked()) {
             performAppGcsLocked();
             return;
         }