* If a client session requests the same texture more than n times (currently n=5), we now drop the subsequent requests

* This may improve region memory usage
* This is a short-term response to a problem whereby some clients keep requesting the same texture even after we've sent it
* This treats the symptom rather than the cause.
* n can be adjusted by changing the constant at the top of UserTextureDownloadService if necessary

OpenSim/Framework/Communications/IGridServices.cs

@@ -32,7 +32,14 @@ namespace OpenSim.Framework.Communications
     public interface IGridServices
     {
         string gdebugRegionName { get; set; }
+        
+        /// <summary>
+        /// Register a region with the grid service.
+        /// </summary>
+        /// <param name="regionInfos"> </param>
+        /// <returns></returns>
         RegionCommsListener RegisterRegion(RegionInfo regionInfos);
+        
         bool DeregisterRegion(RegionInfo regionInfo);
         List<SimpleRegionInfo> RequestNeighbours(uint x, uint y);
         RegionInfo RequestNeighbourInfo(ulong regionHandle);