am_kill too many background

   14745             if (!app.killedBackground) {
   14746                 if (app.curAdj >= ProcessList.HIDDEN_APP_MIN_ADJ) {
   14747                     numHidden++;
   14748                     if (numHidden > mProcessLimit) {
   14749                         Slog.i(TAG, "No longer want " + app.processName
   14750                                 + " (pid " + app.pid + "): hidden #" + numHidden);
   14751                         EventLog.writeEvent(EventLogTags.AM_KILL, app.pid,
   14752                                 app.processName, app.setAdj, "too many background");
   14753                         app.killedBackground = true;
   14754                         Process.killProcessQuiet(app.pid);
   14755                     }
   14756                 }
   14757                 if (!app.killedBackground && app.isolated && app.services.size() <= 0) {
   14758                     // If this is an isolated process, and there are no
   14759                     // services running in it, then the process is no longer
   14760                     // needed.  We agressively kill these because we can by
   14761                     // definition not re-use the same process again, and it is
   14762                     // good to avoid having whatever code was running in them
   14763                     // left sitting around after no longer needed.
   14764                     Slog.i(TAG, "Isolated process " + app.processName
   14765                             + " (pid " + app.pid + ") no longer needed");
   14766                     EventLog.writeEvent(EventLogTags.AM_KILL, app.pid,
   14767                             app.processName, app.setAdj, "isolated not needed");
   14768                     app.killedBackground = true;
   14769                     Process.killProcessQuiet(app.pid);
   14770                 }
   14771                 if (app.nonStoppingAdj >= ProcessList.HOME_APP_ADJ
   14772                         && app.nonStoppingAdj != ProcessList.SERVICE_B_ADJ
   14773                         && !app.killedBackground) {
   14774                     numTrimming++;
   14775                 }
   14776             }

    821     int mProcessLimit = ProcessList.MAX_HIDDEN_APPS;
    822     int mProcessLimitOverride = -1;

     38     // This is a process only hosting activities that are not visible,
     39     // so it can be killed without any disruption.
     40     static final int HIDDEN_APP_MAX_ADJ = 15;
     41     static int HIDDEN_APP_MIN_ADJ = 9;