--- trunk/OOPSE-2.0/src/brains/BlockSnapshotManager.cpp	2005/02/15 19:36:07	2035
+++ trunk/OOPSE-2.0/src/brains/BlockSnapshotManager.cpp	2005/02/16 20:43:10	2039
@@ -40,6 +40,7 @@
  */
 #include <algorithm>
 #include "brains/BlockSnapshotManager.hpp"
+#include "utils/residentMem.h"
 #include "utils/physmem.h"
 #include "utils/Algorithm.hpp"
 #include "brains/SimInfo.hpp"
@@ -54,13 +55,16 @@ BlockSnapshotManager::BlockSnapshotManager(SimInfo* in
     nAtoms_ = info->getNGlobalAtoms();
     nRigidBodies_ = info->getNGlobalRigidBodies();
 
-    double avalPhysMem = physmem_available();
+    double physMem = physmem_total();
+    double rssMem = residentMem();
+    double avaliablePhysMem = physMem - rssMem;
     
+    std::cout << "physmem = " << int(physMem) << "\trssMem =  "<< rssMem << "\t availablePhysMem = " << avaliablePhysMem <<std::endl;
     int bytesPerStuntDouble = DataStorage::getBytesPerStuntDouble(storageLayout);
 
     int bytesPerFrame = (nRigidBodies_ + nAtoms_) * bytesPerStuntDouble;
 
-    int frameCapacity = int (avalPhysMem / bytesPerFrame);
+    int frameCapacity = int (avaliablePhysMem / bytesPerFrame);
     
     nSnapshotPerBlock_ = frameCapacity /blockCapacity_ ;
 
@@ -178,7 +182,7 @@ bool BlockSnapshotManager::hasZeroRefBlock(){
 }
 
 bool BlockSnapshotManager::hasZeroRefBlock(){
-    return std::find(activeRefCount_.begin(), activeRefCount_.end(), 0);
+    return std::find(activeRefCount_.begin(), activeRefCount_.end(), 0) != activeRefCount_.end() ?  true : false;
 }
 
 int BlockSnapshotManager::getFirstZeroRefBlock(){